2225027860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{3847}}^1$

素因数の和:4117

約数の個数: 72

約数和(自身を含む): 5158782720

約数和(自身を除く): 2933754860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 239, 242, 478, 484, 605, 956, 1195, 1210, 2390, 2420, 2629, 3847, 4780, 5258, 7694, 10516, 13145, 15388, 19235, 26290, 28919, 38470, 42317, 52580, 57838, 76940, 84634, 115676, 144595, 169268, 211585, 289190, 423170, 465487, 578380, 846340, 919433, 930974, 1838866, 1861948, 2327435, 3677732, 4597165, 4654870, 9194330, 9309740, 10113763, 18388660, 20227526, 40455052, 50568815, 101137630, 111251393, 202275260, 222502786, 445005572, 556256965, 1112513930, 2225027860]

約数ペア:

[(1, 2225027860), (2, 1112513930), (4, 556256965), (5, 445005572), (10, 222502786), (11, 202275260), (20, 111251393), (22, 101137630), (44, 50568815), (55, 40455052), (110, 20227526), (121, 18388660), (220, 10113763), (239, 9309740), (242, 9194330), (478, 4654870), (484, 4597165), (605, 3677732), (956, 2327435), (1195, 1861948), (1210, 1838866), (2390, 930974), (2420, 919433), (2629, 846340), (3847, 578380), (4780, 465487), (5258, 423170), (7694, 289190), (10516, 211585), (13145, 169268), (15388, 144595), (19235, 115676), (26290, 84634), (28919, 76940), (38470, 57838), (42317, 52580)]