72294820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 167216616

約数和(自身を除く): 94921796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 169, 260, 292, 293, 338, 365, 586, 676, 730, 845, 949, 1172, 1460, 1465, 1690, 1898, 2930, 3380, 3796, 3809, 4745, 5860, 7618, 9490, 12337, 15236, 18980, 19045, 21389, 24674, 38090, 42778, 49348, 49517, 61685, 76180, 85556, 99034, 106945, 123370, 198068, 213890, 246740, 247585, 278057, 427780, 495170, 556114, 990340, 1112228, 1390285, 2780570, 3614741, 5561140, 7229482, 14458964, 18073705, 36147410, 72294820]

約数ペア:

[(1, 72294820), (2, 36147410), (4, 18073705), (5, 14458964), (10, 7229482), (13, 5561140), (20, 3614741), (26, 2780570), (52, 1390285), (65, 1112228), (73, 990340), (130, 556114), (146, 495170), (169, 427780), (260, 278057), (292, 247585), (293, 246740), (338, 213890), (365, 198068), (586, 123370), (676, 106945), (730, 99034), (845, 85556), (949, 76180), (1172, 61685), (1460, 49517), (1465, 49348), (1690, 42778), (1898, 38090), (2930, 24674), (3380, 21389), (3796, 19045), (3809, 18980), (4745, 15236), (5860, 12337), (7618, 9490)]