191013940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1889

約数の個数: 72

約数和(自身を含む): 448616448

約数和(自身を除く): 257602508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 1612, 1690, 1823, 2015, 3380, 3646, 4030, 5239, 7292, 8060, 9115, 10478, 18230, 20956, 23699, 26195, 36460, 47398, 52390, 56513, 94796, 104780, 113026, 118495, 226052, 236990, 282565, 308087, 473980, 565130, 616174, 734669, 1130260, 1232348, 1469338, 1540435, 2938676, 3080870, 3673345, 6161740, 7346690, 9550697, 14693380, 19101394, 38202788, 47753485, 95506970, 191013940]

約数ペア:

[(1, 191013940), (2, 95506970), (4, 47753485), (5, 38202788), (10, 19101394), (13, 14693380), (20, 9550697), (26, 7346690), (31, 6161740), (52, 3673345), (62, 3080870), (65, 2938676), (124, 1540435), (130, 1469338), (155, 1232348), (169, 1130260), (260, 734669), (310, 616174), (338, 565130), (403, 473980), (620, 308087), (676, 282565), (806, 236990), (845, 226052), (1612, 118495), (1690, 113026), (1823, 104780), (2015, 94796), (3380, 56513), (3646, 52390), (4030, 47398), (5239, 36460), (7292, 26195), (8060, 23699), (9115, 20956), (10478, 18230)]