91707860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 215550720

約数和(自身を除く): 123842860

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 71, 85, 116, 131, 142, 145, 170, 262, 284, 290, 340, 355, 493, 524, 580, 655, 710, 986, 1207, 1310, 1420, 1972, 2059, 2227, 2414, 2465, 2620, 3799, 4118, 4454, 4828, 4930, 6035, 7598, 8236, 8908, 9301, 9860, 10295, 11135, 12070, 15196, 18602, 18995, 20590, 22270, 24140, 35003, 37204, 37990, 41180, 44540, 46505, 64583, 70006, 75980, 93010, 129166, 140012, 158117, 175015, 186020, 258332, 269729, 316234, 322915, 350030, 539458, 632468, 645830, 700060, 790585, 1078916, 1291660, 1348645, 1581170, 2697290, 3162340, 4585393, 5394580, 9170786, 18341572, 22926965, 45853930, 91707860]

約数ペア:

[(1, 91707860), (2, 45853930), (4, 22926965), (5, 18341572), (10, 9170786), (17, 5394580), (20, 4585393), (29, 3162340), (34, 2697290), (58, 1581170), (68, 1348645), (71, 1291660), (85, 1078916), (116, 790585), (131, 700060), (142, 645830), (145, 632468), (170, 539458), (262, 350030), (284, 322915), (290, 316234), (340, 269729), (355, 258332), (493, 186020), (524, 175015), (580, 158117), (655, 140012), (710, 129166), (986, 93010), (1207, 75980), (1310, 70006), (1420, 64583), (1972, 46505), (2059, 44540), (2227, 41180), (2414, 37990), (2465, 37204), (2620, 35003), (3799, 24140), (4118, 22270), (4454, 20590), (4828, 18995), (4930, 18602), (6035, 15196), (7598, 12070), (8236, 11135), (8908, 10295), (9301, 9860)]