2881990330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{14369}}^1$

素因数の和:15054

約数の個数: 32

約数和(自身を含む): 5363573760

約数和(自身を除く): 2481583430

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 647, 1294, 3235, 6470, 14369, 20057, 28738, 40114, 71845, 100285, 143690, 200570, 445439, 890878, 2227195, 4454390, 9296743, 18593486, 46483715, 92967430, 288199033, 576398066, 1440995165, 2881990330]

約数ペア:

[(1, 2881990330), (2, 1440995165), (5, 576398066), (10, 288199033), (31, 92967430), (62, 46483715), (155, 18593486), (310, 9296743), (647, 4454390), (1294, 2227195), (3235, 890878), (6470, 445439), (14369, 200570), (20057, 143690), (28738, 100285), (40114, 71845)]