180867700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{373}}^2$

素因数の和:773

約数の個数: 54

約数和(自身を含む): 423810114

約数和(自身を除く): 242942414

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 373, 650, 746, 1300, 1492, 1865, 3730, 4849, 7460, 9325, 9698, 18650, 19396, 24245, 37300, 48490, 96980, 121225, 139129, 242450, 278258, 484900, 556516, 695645, 1391290, 1808677, 2782580, 3478225, 3617354, 6956450, 7234708, 9043385, 13912900, 18086770, 36173540, 45216925, 90433850, 180867700]

約数ペア:

[(1, 180867700), (2, 90433850), (4, 45216925), (5, 36173540), (10, 18086770), (13, 13912900), (20, 9043385), (25, 7234708), (26, 6956450), (50, 3617354), (52, 3478225), (65, 2782580), (100, 1808677), (130, 1391290), (260, 695645), (325, 556516), (373, 484900), (650, 278258), (746, 242450), (1300, 139129), (1492, 121225), (1865, 96980), (3730, 48490), (4849, 37300), (7460, 24245), (9325, 19396), (9698, 18650)]