498868020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:539

約数の個数: 216

約数和(自身を含む): 1776194784

約数和(自身を除く): 1277326764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 163, 180, 196, 210, 245, 252, 294, 315, 326, 347, 420, 441, 489, 490, 588, 630, 652, 694, 735, 815, 882, 978, 980, 1041, 1141, 1260, 1388, 1467, 1470, 1630, 1735, 1764, 1956, 2082, 2205, 2282, 2429, 2445, 2934, 2940, 3123, 3260, 3423, 3470, 4164, 4410, 4564, 4858, 4890, 5205, 5705, 5868, 6246, 6846, 6940, 7287, 7335, 7987, 8820, 9716, 9780, 10269, 10410, 11410, 12145, 12492, 13692, 14574, 14670, 15615, 15974, 17003, 17115, 20538, 20820, 21861, 22820, 23961, 24290, 29148, 29340, 31230, 31948, 34006, 34230, 36435, 39935, 41076, 43722, 47922, 48580, 51009, 51345, 56561, 62460, 68012, 68460, 71883, 72870, 79870, 85015, 87444, 95844, 102018, 102690, 109305, 113122, 119805, 143766, 145740, 153027, 159740, 169683, 170030, 204036, 205380, 218610, 226244, 239610, 255045, 282805, 287532, 306054, 339366, 340060, 359415, 395927, 437220, 479220, 509049, 510090, 565610, 612108, 678732, 718830, 765135, 791854, 848415, 1018098, 1020180, 1131220, 1187781, 1437660, 1530270, 1583708, 1696830, 1979635, 2036196, 2375562, 2545245, 2771489, 3060540, 3393660, 3563343, 3959270, 4751124, 5090490, 5542978, 5938905, 7126686, 7918540, 8314467, 10180980, 11085956, 11877810, 13857445, 14253372, 16628934, 17816715, 23755620, 24943401, 27714890, 33257868, 35633430, 41572335, 49886802, 55429780, 71266860, 83144670, 99773604, 124717005, 166289340, 249434010, 498868020]

約数ペア:

[(1, 498868020), (2, 249434010), (3, 166289340), (4, 124717005), (5, 99773604), (6, 83144670), (7, 71266860), (9, 55429780), (10, 49886802), (12, 41572335), (14, 35633430), (15, 33257868), (18, 27714890), (20, 24943401), (21, 23755620), (28, 17816715), (30, 16628934), (35, 14253372), (36, 13857445), (42, 11877810), (45, 11085956), (49, 10180980), (60, 8314467), (63, 7918540), (70, 7126686), (84, 5938905), (90, 5542978), (98, 5090490), (105, 4751124), (126, 3959270), (140, 3563343), (147, 3393660), (163, 3060540), (180, 2771489), (196, 2545245), (210, 2375562), (245, 2036196), (252, 1979635), (294, 1696830), (315, 1583708), (326, 1530270), (347, 1437660), (420, 1187781), (441, 1131220), (489, 1020180), (490, 1018098), (588, 848415), (630, 791854), (652, 765135), (694, 718830), (735, 678732), (815, 612108), (882, 565610), (978, 510090), (980, 509049), (1041, 479220), (1141, 437220), (1260, 395927), (1388, 359415), (1467, 340060), (1470, 339366), (1630, 306054), (1735, 287532), (1764, 282805), (1956, 255045), (2082, 239610), (2205, 226244), (2282, 218610), (2429, 205380), (2445, 204036), (2934, 170030), (2940, 169683), (3123, 159740), (3260, 153027), (3423, 145740), (3470, 143766), (4164, 119805), (4410, 113122), (4564, 109305), (4858, 102690), (4890, 102018), (5205, 95844), (5705, 87444), (5868, 85015), (6246, 79870), (6846, 72870), (6940, 71883), (7287, 68460), (7335, 68012), (7987, 62460), (8820, 56561), (9716, 51345), (9780, 51009), (10269, 48580), (10410, 47922), (11410, 43722), (12145, 41076), (12492, 39935), (13692, 36435), (14574, 34230), (14670, 34006), (15615, 31948), (15974, 31230), (17003, 29340), (17115, 29148), (20538, 24290), (20820, 23961), (21861, 22820)]