521969133740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{823}}^1\times {\mathrm{1217}}^1$

素因数の和:2487

約数の個数: 96

約数和(自身を含む): 1116873805824

約数和(自身を除く): 594904672084

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 367, 710, 734, 823, 1217, 1420, 1468, 1646, 1835, 2434, 3292, 3670, 4115, 4868, 6085, 7340, 8230, 12170, 16460, 24340, 26057, 52114, 58433, 86407, 104228, 116866, 130285, 172814, 233732, 260570, 292165, 302041, 345628, 432035, 446639, 521140, 584330, 604082, 864070, 893278, 1001591, 1168660, 1208164, 1510205, 1728140, 1786556, 2003182, 2233195, 3020410, 4006364, 4466390, 5007955, 6040820, 8932780, 10015910, 20031820, 21444911, 31711369, 42889822, 63422738, 71112961, 85779644, 107224555, 126845476, 142225922, 158556845, 214449110, 284451844, 317113690, 355564805, 367583897, 428898220, 634227380, 711129610, 735167794, 1422259220, 1470335588, 1837919485, 3675838970, 7351677940, 26098456687, 52196913374, 104393826748, 130492283435, 260984566870, 521969133740]

約数ペア:

[(1, 521969133740), (2, 260984566870), (4, 130492283435), (5, 104393826748), (10, 52196913374), (20, 26098456687), (71, 7351677940), (142, 3675838970), (284, 1837919485), (355, 1470335588), (367, 1422259220), (710, 735167794), (734, 711129610), (823, 634227380), (1217, 428898220), (1420, 367583897), (1468, 355564805), (1646, 317113690), (1835, 284451844), (2434, 214449110), (3292, 158556845), (3670, 142225922), (4115, 126845476), (4868, 107224555), (6085, 85779644), (7340, 71112961), (8230, 63422738), (12170, 42889822), (16460, 31711369), (24340, 21444911), (26057, 20031820), (52114, 10015910), (58433, 8932780), (86407, 6040820), (104228, 5007955), (116866, 4466390), (130285, 4006364), (172814, 3020410), (233732, 2233195), (260570, 2003182), (292165, 1786556), (302041, 1728140), (345628, 1510205), (432035, 1208164), (446639, 1168660), (521140, 1001591), (584330, 893278), (604082, 864070)]