56155321100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{859}}^1$

素因数の和:1600

約数の個数: 144

約数和(自身を含む): 130460816640

約数和(自身を除く): 74305495540

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 172, 215, 230, 430, 460, 575, 661, 859, 860, 989, 1075, 1150, 1322, 1718, 1978, 2150, 2300, 2644, 3305, 3436, 3956, 4295, 4300, 4945, 6610, 8590, 9890, 13220, 15203, 16525, 17180, 19757, 19780, 21475, 24725, 28423, 30406, 33050, 36937, 39514, 42950, 49450, 56846, 60812, 66100, 73874, 76015, 79028, 85900, 98785, 98900, 113692, 142115, 147748, 152030, 184685, 197570, 284230, 304060, 369370, 380075, 395140, 493925, 567799, 568460, 653729, 710575, 738740, 760150, 849551, 923425, 987850, 1135598, 1307458, 1421150, 1520300, 1699102, 1846850, 1975700, 2271196, 2614916, 2838995, 2842300, 3268645, 3398204, 3693700, 4247755, 5677990, 6537290, 8495510, 11355980, 13059377, 13074580, 14194975, 16343225, 16991020, 21238775, 24415357, 26118754, 28389950, 32686450, 42477550, 48830714, 52237508, 56779900, 65296885, 65372900, 84955100, 97661428, 122076785, 130593770, 244153570, 261187540, 326484425, 488307140, 561553211, 610383925, 652968850, 1123106422, 1220767850, 1305937700, 2246212844, 2441535700, 2807766055, 5615532110, 11231064220, 14038830275, 28077660550, 56155321100]

約数ペア:

[(1, 56155321100), (2, 28077660550), (4, 14038830275), (5, 11231064220), (10, 5615532110), (20, 2807766055), (23, 2441535700), (25, 2246212844), (43, 1305937700), (46, 1220767850), (50, 1123106422), (86, 652968850), (92, 610383925), (100, 561553211), (115, 488307140), (172, 326484425), (215, 261187540), (230, 244153570), (430, 130593770), (460, 122076785), (575, 97661428), (661, 84955100), (859, 65372900), (860, 65296885), (989, 56779900), (1075, 52237508), (1150, 48830714), (1322, 42477550), (1718, 32686450), (1978, 28389950), (2150, 26118754), (2300, 24415357), (2644, 21238775), (3305, 16991020), (3436, 16343225), (3956, 14194975), (4295, 13074580), (4300, 13059377), (4945, 11355980), (6610, 8495510), (8590, 6537290), (9890, 5677990), (13220, 4247755), (15203, 3693700), (16525, 3398204), (17180, 3268645), (19757, 2842300), (19780, 2838995), (21475, 2614916), (24725, 2271196), (28423, 1975700), (30406, 1846850), (33050, 1699102), (36937, 1520300), (39514, 1421150), (42950, 1307458), (49450, 1135598), (56846, 987850), (60812, 923425), (66100, 849551), (73874, 760150), (76015, 738740), (79028, 710575), (85900, 653729), (98785, 568460), (98900, 567799), (113692, 493925), (142115, 395140), (147748, 380075), (152030, 369370), (184685, 304060), (197570, 284230)]