72620275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 112117824

約数和(自身を除く): 39497549

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 137, 175, 233, 325, 455, 685, 959, 1165, 1631, 1781, 2275, 3029, 3425, 4795, 5825, 8155, 8905, 12467, 15145, 21203, 23975, 31921, 40775, 44525, 62335, 75725, 106015, 159605, 223447, 311675, 414973, 530075, 798025, 1117235, 2074865, 2904811, 5586175, 10374325, 14524055, 72620275]

約数ペア:

[(1, 72620275), (5, 14524055), (7, 10374325), (13, 5586175), (25, 2904811), (35, 2074865), (65, 1117235), (91, 798025), (137, 530075), (175, 414973), (233, 311675), (325, 223447), (455, 159605), (685, 106015), (959, 75725), (1165, 62335), (1631, 44525), (1781, 40775), (2275, 31921), (3029, 23975), (3425, 21203), (4795, 15145), (5825, 12467), (8155, 8905)]