39871890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{461}}^1$

素因数の和:536

約数の個数: 72

約数和(自身を含む): 107351244

約数和(自身を除く): 67479354

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 461, 465, 558, 922, 930, 961, 1383, 1395, 1922, 2305, 2766, 2790, 2883, 4149, 4610, 4805, 5766, 6915, 8298, 8649, 9610, 13830, 14291, 14415, 17298, 20745, 28582, 28830, 41490, 42873, 43245, 71455, 85746, 86490, 128619, 142910, 214365, 257238, 428730, 443021, 643095, 886042, 1286190, 1329063, 2215105, 2658126, 3987189, 4430210, 6645315, 7974378, 13290630, 19935945, 39871890]

約数ペア:

[(1, 39871890), (2, 19935945), (3, 13290630), (5, 7974378), (6, 6645315), (9, 4430210), (10, 3987189), (15, 2658126), (18, 2215105), (30, 1329063), (31, 1286190), (45, 886042), (62, 643095), (90, 443021), (93, 428730), (155, 257238), (186, 214365), (279, 142910), (310, 128619), (461, 86490), (465, 85746), (558, 71455), (922, 43245), (930, 42873), (961, 41490), (1383, 28830), (1395, 28582), (1922, 20745), (2305, 17298), (2766, 14415), (2790, 14291), (2883, 13830), (4149, 9610), (4610, 8649), (4805, 8298), (5766, 6915)]