406054220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{12907}}^1$

素因数の和:12951

約数の個数: 72

約数和(自身を含む): 1009457232

約数和(自身を除く): 603403012

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, 7865, 12907, 15730, 25814, 31460, 51628, 64535, 129070, 141977, 167791, 258140, 283954, 335582, 567908, 671164, 709885, 838955, 1419770, 1561747, 1677910, 1845701, 2839540, 3123494, 3355820, 3691402, 6246988, 7382804, 7808735, 9228505, 15617470, 18457010, 20302711, 31234940, 36914020, 40605422, 81210844, 101513555, 203027110, 406054220]

約数ペア:

[(1, 406054220), (2, 203027110), (4, 101513555), (5, 81210844), (10, 40605422), (11, 36914020), (13, 31234940), (20, 20302711), (22, 18457010), (26, 15617470), (44, 9228505), (52, 7808735), (55, 7382804), (65, 6246988), (110, 3691402), (121, 3355820), (130, 3123494), (143, 2839540), (220, 1845701), (242, 1677910), (260, 1561747), (286, 1419770), (484, 838955), (572, 709885), (605, 671164), (715, 567908), (1210, 335582), (1430, 283954), (1573, 258140), (2420, 167791), (2860, 141977), (3146, 129070), (6292, 64535), (7865, 51628), (12907, 31460), (15730, 25814)]