428866620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:282

約数の個数: 240

約数和(自身を含む): 1515228960

約数和(自身を除く): 1086362340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 229, 245, 260, 273, 294, 343, 364, 390, 420, 455, 458, 490, 546, 588, 637, 686, 687, 735, 780, 910, 916, 980, 1029, 1092, 1145, 1274, 1365, 1372, 1374, 1470, 1603, 1715, 1820, 1911, 2058, 2290, 2401, 2548, 2730, 2748, 2940, 2977, 3185, 3206, 3430, 3435, 3822, 4116, 4459, 4580, 4802, 4809, 5145, 5460, 5954, 6370, 6412, 6860, 6870, 7203, 7644, 8015, 8918, 8931, 9555, 9604, 9618, 10290, 11221, 11908, 12005, 12740, 13377, 13740, 14406, 14885, 16030, 17836, 17862, 19110, 19236, 20580, 20839, 22295, 22442, 24010, 24045, 26754, 28812, 29770, 31213, 32060, 33663, 35724, 36015, 38220, 41678, 44590, 44655, 44884, 48020, 48090, 53508, 56105, 59540, 62426, 62517, 66885, 67326, 72030, 78547, 83356, 89180, 89310, 93639, 96180, 104195, 112210, 124852, 125034, 133770, 134652, 144060, 145873, 156065, 157094, 168315, 178620, 187278, 208390, 224420, 235641, 250068, 267540, 291746, 312130, 312585, 314188, 336630, 374556, 392735, 416780, 437619, 468195, 471282, 549829, 583492, 624260, 625170, 673260, 729365, 785470, 875238, 936390, 942564, 1021111, 1099658, 1178205, 1250340, 1458730, 1570940, 1649487, 1750476, 1872780, 2042222, 2188095, 2199316, 2356410, 2749145, 2917460, 3063333, 3298974, 4084444, 4376190, 4712820, 5105555, 5498290, 6126666, 6597948, 7147777, 8247435, 8752380, 10211110, 10996580, 12253332, 14295554, 15316665, 16494870, 20422220, 21443331, 28591108, 30633330, 32989740, 35738885, 42886662, 61266660, 71477770, 85773324, 107216655, 142955540, 214433310, 428866620]

約数ペア:

[(1, 428866620), (2, 214433310), (3, 142955540), (4, 107216655), (5, 85773324), (6, 71477770), (7, 61266660), (10, 42886662), (12, 35738885), (13, 32989740), (14, 30633330), (15, 28591108), (20, 21443331), (21, 20422220), (26, 16494870), (28, 15316665), (30, 14295554), (35, 12253332), (39, 10996580), (42, 10211110), (49, 8752380), (52, 8247435), (60, 7147777), (65, 6597948), (70, 6126666), (78, 5498290), (84, 5105555), (91, 4712820), (98, 4376190), (105, 4084444), (130, 3298974), (140, 3063333), (147, 2917460), (156, 2749145), (182, 2356410), (195, 2199316), (196, 2188095), (210, 2042222), (229, 1872780), (245, 1750476), (260, 1649487), (273, 1570940), (294, 1458730), (343, 1250340), (364, 1178205), (390, 1099658), (420, 1021111), (455, 942564), (458, 936390), (490, 875238), (546, 785470), (588, 729365), (637, 673260), (686, 625170), (687, 624260), (735, 583492), (780, 549829), (910, 471282), (916, 468195), (980, 437619), (1029, 416780), (1092, 392735), (1145, 374556), (1274, 336630), (1365, 314188), (1372, 312585), (1374, 312130), (1470, 291746), (1603, 267540), (1715, 250068), (1820, 235641), (1911, 224420), (2058, 208390), (2290, 187278), (2401, 178620), (2548, 168315), (2730, 157094), (2748, 156065), (2940, 145873), (2977, 144060), (3185, 134652), (3206, 133770), (3430, 125034), (3435, 124852), (3822, 112210), (4116, 104195), (4459, 96180), (4580, 93639), (4802, 89310), (4809, 89180), (5145, 83356), (5460, 78547), (5954, 72030), (6370, 67326), (6412, 66885), (6860, 62517), (6870, 62426), (7203, 59540), (7644, 56105), (8015, 53508), (8918, 48090), (8931, 48020), (9555, 44884), (9604, 44655), (9618, 44590), (10290, 41678), (11221, 38220), (11908, 36015), (12005, 35724), (12740, 33663), (13377, 32060), (13740, 31213), (14406, 29770), (14885, 28812), (16030, 26754), (17836, 24045), (17862, 24010), (19110, 22442), (19236, 22295), (20580, 20839)]