398945820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2420

約数の個数: 192

約数和(自身を含む): 1419780096

約数和(自身を除く): 1020834276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 155, 156, 182, 186, 195, 210, 217, 260, 273, 310, 364, 372, 390, 403, 420, 434, 455, 465, 546, 620, 651, 780, 806, 868, 910, 930, 1085, 1092, 1209, 1302, 1365, 1612, 1820, 1860, 2015, 2170, 2357, 2418, 2604, 2730, 2821, 3255, 4030, 4340, 4714, 4836, 5460, 5642, 6045, 6510, 7071, 8060, 8463, 9428, 11284, 11785, 12090, 13020, 14105, 14142, 16499, 16926, 23570, 24180, 28210, 28284, 30641, 32998, 33852, 35355, 42315, 47140, 49497, 56420, 61282, 65996, 70710, 73067, 82495, 84630, 91923, 98994, 122564, 141420, 146134, 153205, 164990, 169260, 183846, 197988, 214487, 219201, 247485, 292268, 306410, 329980, 365335, 367692, 428974, 438402, 459615, 494970, 511469, 612820, 643461, 730670, 857948, 876804, 919230, 949871, 989940, 1022938, 1072435, 1096005, 1286922, 1461340, 1534407, 1838460, 1899742, 2045876, 2144870, 2192010, 2557345, 2573844, 2849613, 3068814, 3217305, 3799484, 4289740, 4384020, 4749355, 5114690, 5699226, 6137628, 6434610, 6649097, 7672035, 9498710, 10229380, 11398452, 12869220, 13298194, 14248065, 15344070, 18997420, 19947291, 26596388, 28496130, 30688140, 33245485, 39894582, 56992260, 66490970, 79789164, 99736455, 132981940, 199472910, 398945820]

約数ペア:

[(1, 398945820), (2, 199472910), (3, 132981940), (4, 99736455), (5, 79789164), (6, 66490970), (7, 56992260), (10, 39894582), (12, 33245485), (13, 30688140), (14, 28496130), (15, 26596388), (20, 19947291), (21, 18997420), (26, 15344070), (28, 14248065), (30, 13298194), (31, 12869220), (35, 11398452), (39, 10229380), (42, 9498710), (52, 7672035), (60, 6649097), (62, 6434610), (65, 6137628), (70, 5699226), (78, 5114690), (84, 4749355), (91, 4384020), (93, 4289740), (105, 3799484), (124, 3217305), (130, 3068814), (140, 2849613), (155, 2573844), (156, 2557345), (182, 2192010), (186, 2144870), (195, 2045876), (210, 1899742), (217, 1838460), (260, 1534407), (273, 1461340), (310, 1286922), (364, 1096005), (372, 1072435), (390, 1022938), (403, 989940), (420, 949871), (434, 919230), (455, 876804), (465, 857948), (546, 730670), (620, 643461), (651, 612820), (780, 511469), (806, 494970), (868, 459615), (910, 438402), (930, 428974), (1085, 367692), (1092, 365335), (1209, 329980), (1302, 306410), (1365, 292268), (1612, 247485), (1820, 219201), (1860, 214487), (2015, 197988), (2170, 183846), (2357, 169260), (2418, 164990), (2604, 153205), (2730, 146134), (2821, 141420), (3255, 122564), (4030, 98994), (4340, 91923), (4714, 84630), (4836, 82495), (5460, 73067), (5642, 70710), (6045, 65996), (6510, 61282), (7071, 56420), (8060, 49497), (8463, 47140), (9428, 42315), (11284, 35355), (11785, 33852), (12090, 32998), (13020, 30641), (14105, 28284), (14142, 28210), (16499, 24180), (16926, 23570)]