90041570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 177914880

約数和(自身を除く): 87873310

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 103, 107, 190, 206, 214, 215, 430, 515, 535, 817, 1030, 1070, 1634, 1957, 2033, 3914, 4066, 4085, 4429, 4601, 8170, 8858, 9202, 9785, 10165, 11021, 19570, 20330, 22042, 22145, 23005, 44290, 46010, 55105, 84151, 87419, 110210, 168302, 174838, 209399, 418798, 420755, 437095, 473903, 841510, 874190, 947806, 1046995, 2093990, 2369515, 4739030, 9004157, 18008314, 45020785, 90041570]

約数ペア:

[(1, 90041570), (2, 45020785), (5, 18008314), (10, 9004157), (19, 4739030), (38, 2369515), (43, 2093990), (86, 1046995), (95, 947806), (103, 874190), (107, 841510), (190, 473903), (206, 437095), (214, 420755), (215, 418798), (430, 209399), (515, 174838), (535, 168302), (817, 110210), (1030, 87419), (1070, 84151), (1634, 55105), (1957, 46010), (2033, 44290), (3914, 23005), (4066, 22145), (4085, 22042), (4429, 20330), (4601, 19570), (8170, 11021), (8858, 10165), (9202, 9785)]