7889180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 18792480

約数和(自身を除く): 10903300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1597, 2470, 3194, 4940, 6388, 7985, 15970, 20761, 30343, 31940, 41522, 60686, 83044, 103805, 121372, 151715, 207610, 303430, 394459, 415220, 606860, 788918, 1577836, 1972295, 3944590, 7889180]

約数ペア:

[(1, 7889180), (2, 3944590), (4, 1972295), (5, 1577836), (10, 788918), (13, 606860), (19, 415220), (20, 394459), (26, 303430), (38, 207610), (52, 151715), (65, 121372), (76, 103805), (95, 83044), (130, 60686), (190, 41522), (247, 31940), (260, 30343), (380, 20761), (494, 15970), (988, 7985), (1235, 6388), (1597, 4940), (2470, 3194)]