7500220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 19553184

約数和(自身を除く): 12052964

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 317, 338, 364, 455, 634, 676, 845, 910, 1183, 1268, 1585, 1690, 1820, 2219, 2366, 3170, 3380, 4121, 4438, 4732, 5915, 6340, 8242, 8876, 11095, 11830, 16484, 20605, 22190, 23660, 28847, 41210, 44380, 53573, 57694, 82420, 107146, 115388, 144235, 214292, 267865, 288470, 375011, 535730, 576940, 750022, 1071460, 1500044, 1875055, 3750110, 7500220]

約数ペア:

[(1, 7500220), (2, 3750110), (4, 1875055), (5, 1500044), (7, 1071460), (10, 750022), (13, 576940), (14, 535730), (20, 375011), (26, 288470), (28, 267865), (35, 214292), (52, 144235), (65, 115388), (70, 107146), (91, 82420), (130, 57694), (140, 53573), (169, 44380), (182, 41210), (260, 28847), (317, 23660), (338, 22190), (364, 20605), (455, 16484), (634, 11830), (676, 11095), (845, 8876), (910, 8242), (1183, 6340), (1268, 5915), (1585, 4732), (1690, 4438), (1820, 4121), (2219, 3380), (2366, 3170)]