494233480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 1241049600

約数和(自身を除く): 746816120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 79, 104, 106, 130, 158, 212, 227, 260, 265, 316, 395, 424, 454, 520, 530, 632, 689, 790, 908, 1027, 1060, 1135, 1378, 1580, 1816, 2054, 2120, 2270, 2756, 2951, 3160, 3445, 4108, 4187, 4540, 5135, 5512, 5902, 6890, 8216, 8374, 9080, 10270, 11804, 12031, 13780, 14755, 16748, 17933, 20540, 20935, 23608, 24062, 27560, 29510, 33496, 35866, 41080, 41870, 48124, 54431, 59020, 60155, 71732, 83740, 89665, 96248, 108862, 118040, 120310, 143464, 156403, 167480, 179330, 217724, 233129, 240620, 272155, 312806, 358660, 435448, 466258, 481240, 544310, 625612, 717320, 782015, 932516, 950449, 1088620, 1165645, 1251224, 1564030, 1865032, 1900898, 2177240, 2331290, 3128060, 3801796, 4662580, 4752245, 6256120, 7603592, 9325160, 9504490, 12355837, 19008980, 24711674, 38017960, 49423348, 61779185, 98846696, 123558370, 247116740, 494233480]

約数ペア:

[(1, 494233480), (2, 247116740), (4, 123558370), (5, 98846696), (8, 61779185), (10, 49423348), (13, 38017960), (20, 24711674), (26, 19008980), (40, 12355837), (52, 9504490), (53, 9325160), (65, 7603592), (79, 6256120), (104, 4752245), (106, 4662580), (130, 3801796), (158, 3128060), (212, 2331290), (227, 2177240), (260, 1900898), (265, 1865032), (316, 1564030), (395, 1251224), (424, 1165645), (454, 1088620), (520, 950449), (530, 932516), (632, 782015), (689, 717320), (790, 625612), (908, 544310), (1027, 481240), (1060, 466258), (1135, 435448), (1378, 358660), (1580, 312806), (1816, 272155), (2054, 240620), (2120, 233129), (2270, 217724), (2756, 179330), (2951, 167480), (3160, 156403), (3445, 143464), (4108, 120310), (4187, 118040), (4540, 108862), (5135, 96248), (5512, 89665), (5902, 83740), (6890, 71732), (8216, 60155), (8374, 59020), (9080, 54431), (10270, 48124), (11804, 41870), (12031, 41080), (13780, 35866), (14755, 33496), (16748, 29510), (17933, 27560), (20540, 24062), (20935, 23608)]