199465175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2039}}^1$

素因数の和:2112

約数の個数: 48

約数和(自身を含む): 311646720

約数和(自身を除く): 112181545

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 91, 175, 215, 301, 325, 455, 559, 1075, 1505, 2039, 2275, 2795, 3913, 7525, 10195, 13975, 14273, 19565, 26507, 50975, 71365, 87677, 97825, 132535, 185549, 356825, 438385, 613739, 662675, 927745, 1139801, 2191925, 3068695, 4638725, 5699005, 7978607, 15343475, 28495025, 39893035, 199465175]

約数ペア:

[(1, 199465175), (5, 39893035), (7, 28495025), (13, 15343475), (25, 7978607), (35, 5699005), (43, 4638725), (65, 3068695), (91, 2191925), (175, 1139801), (215, 927745), (301, 662675), (325, 613739), (455, 438385), (559, 356825), (1075, 185549), (1505, 132535), (2039, 97825), (2275, 87677), (2795, 71365), (3913, 50975), (7525, 26507), (10195, 19565), (13975, 14273)]