200997940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6389}}^1$

素因数の和:6433

約数の個数: 72

約数和(自身を含む): 499723560

約数和(自身を除く): 298725620

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2860, 3146, 6292, 6389, 7865, 12778, 15730, 25556, 31460, 31945, 63890, 70279, 83057, 127780, 140558, 166114, 281116, 332228, 351395, 415285, 702790, 773069, 830570, 913627, 1405580, 1546138, 1661140, 1827254, 3092276, 3654508, 3865345, 4568135, 7730690, 9136270, 10049897, 15461380, 18272540, 20099794, 40199588, 50249485, 100498970, 200997940]

約数ペア:

[(1, 200997940), (2, 100498970), (4, 50249485), (5, 40199588), (10, 20099794), (11, 18272540), (13, 15461380), (20, 10049897), (22, 9136270), (26, 7730690), (44, 4568135), (52, 3865345), (55, 3654508), (65, 3092276), (110, 1827254), (121, 1661140), (130, 1546138), (143, 1405580), (220, 913627), (242, 830570), (260, 773069), (286, 702790), (484, 415285), (572, 351395), (605, 332228), (715, 281116), (1210, 166114), (1430, 140558), (1573, 127780), (2420, 83057), (2860, 70279), (3146, 63890), (6292, 31945), (6389, 31460), (7865, 25556), (12778, 15730)]