311215060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:977

約数の個数: 96

約数和(自身を含む): 751887360

約数和(自身を除く): 440672300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 73, 76, 95, 130, 146, 190, 247, 260, 292, 365, 380, 494, 730, 863, 949, 988, 1235, 1387, 1460, 1726, 1898, 2470, 2774, 3452, 3796, 4315, 4745, 4940, 5548, 6935, 8630, 9490, 11219, 13870, 16397, 17260, 18031, 18980, 22438, 27740, 32794, 36062, 44876, 56095, 62999, 65588, 72124, 81985, 90155, 112190, 125998, 163970, 180310, 213161, 224380, 251996, 314995, 327940, 360620, 426322, 629990, 818987, 852644, 1065805, 1196981, 1259980, 1637974, 2131610, 2393962, 3275948, 4094935, 4263220, 4787924, 5984905, 8189870, 11969810, 15560753, 16379740, 23939620, 31121506, 62243012, 77803765, 155607530, 311215060]

約数ペア:

[(1, 311215060), (2, 155607530), (4, 77803765), (5, 62243012), (10, 31121506), (13, 23939620), (19, 16379740), (20, 15560753), (26, 11969810), (38, 8189870), (52, 5984905), (65, 4787924), (73, 4263220), (76, 4094935), (95, 3275948), (130, 2393962), (146, 2131610), (190, 1637974), (247, 1259980), (260, 1196981), (292, 1065805), (365, 852644), (380, 818987), (494, 629990), (730, 426322), (863, 360620), (949, 327940), (988, 314995), (1235, 251996), (1387, 224380), (1460, 213161), (1726, 180310), (1898, 163970), (2470, 125998), (2774, 112190), (3452, 90155), (3796, 81985), (4315, 72124), (4745, 65588), (4940, 62999), (5548, 56095), (6935, 44876), (8630, 36062), (9490, 32794), (11219, 27740), (13870, 22438), (16397, 18980), (17260, 18031)]