145249880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2857}}^1$

素因数の和:2940

約数の個数: 64

約数和(自身を含む): 345703680

約数和(自身を除く): 200453800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 2857, 5084, 5714, 6355, 10168, 11428, 12710, 14285, 22856, 25420, 28570, 50840, 57140, 88567, 114280, 117137, 177134, 234274, 354268, 442835, 468548, 585685, 708536, 885670, 937096, 1171370, 1771340, 2342740, 3542680, 3631247, 4685480, 7262494, 14524988, 18156235, 29049976, 36312470, 72624940, 145249880]

約数ペア:

[(1, 145249880), (2, 72624940), (4, 36312470), (5, 29049976), (8, 18156235), (10, 14524988), (20, 7262494), (31, 4685480), (40, 3631247), (41, 3542680), (62, 2342740), (82, 1771340), (124, 1171370), (155, 937096), (164, 885670), (205, 708536), (248, 585685), (310, 468548), (328, 442835), (410, 354268), (620, 234274), (820, 177134), (1240, 117137), (1271, 114280), (1640, 88567), (2542, 57140), (2857, 50840), (5084, 28570), (5714, 25420), (6355, 22856), (10168, 14285), (11428, 12710)]