2185689940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{104779}}^1$

素因数の和:104944

約数の個数: 48

約数和(自身を含む): 5280912000

約数和(自身を除く): 3095222060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 104779, 209558, 419116, 523895, 733453, 1047790, 1466906, 2095580, 2933812, 3667265, 7334530, 14669060, 15612071, 31224142, 62448284, 78060355, 109284497, 156120710, 218568994, 312241420, 437137988, 546422485, 1092844970, 2185689940]

約数ペア:

[(1, 2185689940), (2, 1092844970), (4, 546422485), (5, 437137988), (7, 312241420), (10, 218568994), (14, 156120710), (20, 109284497), (28, 78060355), (35, 62448284), (70, 31224142), (140, 15612071), (149, 14669060), (298, 7334530), (596, 3667265), (745, 2933812), (1043, 2095580), (1490, 1466906), (2086, 1047790), (2980, 733453), (4172, 523895), (5215, 419116), (10430, 209558), (20860, 104779)]