201517960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9859}}^1$

素因数の和:9950

約数の個数: 64

約数和(自身を含む): 525340800

約数和(自身を除く): 323822840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 9859, 10220, 19718, 20440, 39436, 49295, 69013, 78872, 98590, 138026, 197180, 276052, 345065, 394360, 552104, 690130, 719707, 1380260, 1439414, 2760520, 2878828, 3598535, 5037949, 5757656, 7197070, 10075898, 14394140, 20151796, 25189745, 28788280, 40303592, 50379490, 100758980, 201517960]

約数ペア:

[(1, 201517960), (2, 100758980), (4, 50379490), (5, 40303592), (7, 28788280), (8, 25189745), (10, 20151796), (14, 14394140), (20, 10075898), (28, 7197070), (35, 5757656), (40, 5037949), (56, 3598535), (70, 2878828), (73, 2760520), (140, 1439414), (146, 1380260), (280, 719707), (292, 690130), (365, 552104), (511, 394360), (584, 345065), (730, 276052), (1022, 197180), (1460, 138026), (2044, 98590), (2555, 78872), (2920, 69013), (4088, 49295), (5110, 39436), (9859, 20440), (10220, 19718)]