203513120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74821}}^1$

素因数の和:74853

約数の個数: 48

約数和(自身を含む): 509088888

約数和(自身を除く): 305575768

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 74821, 149642, 299284, 374105, 598568, 748210, 1197136, 1271957, 1496420, 2394272, 2543914, 2992840, 5087828, 5985680, 6359785, 10175656, 11971360, 12719570, 20351312, 25439140, 40702624, 50878280, 101756560, 203513120]

約数ペア:

[(1, 203513120), (2, 101756560), (4, 50878280), (5, 40702624), (8, 25439140), (10, 20351312), (16, 12719570), (17, 11971360), (20, 10175656), (32, 6359785), (34, 5985680), (40, 5087828), (68, 2992840), (80, 2543914), (85, 2394272), (136, 1496420), (160, 1271957), (170, 1197136), (272, 748210), (340, 598568), (544, 374105), (680, 299284), (1360, 149642), (2720, 74821)]