2132180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 4892160

約数和(自身を除く): 2759980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 181, 190, 310, 362, 380, 589, 620, 724, 905, 1178, 1810, 2356, 2945, 3439, 3620, 5611, 5890, 6878, 11222, 11780, 13756, 17195, 22444, 28055, 34390, 56110, 68780, 106609, 112220, 213218, 426436, 533045, 1066090, 2132180]

約数ペア:

[(1, 2132180), (2, 1066090), (4, 533045), (5, 426436), (10, 213218), (19, 112220), (20, 106609), (31, 68780), (38, 56110), (62, 34390), (76, 28055), (95, 22444), (124, 17195), (155, 13756), (181, 11780), (190, 11222), (310, 6878), (362, 5890), (380, 5611), (589, 3620), (620, 3439), (724, 2945), (905, 2356), (1178, 1810)]