200878640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132157}}^1$

素因数の和:132189

約数の個数: 40

約数和(自身を含む): 491627760

約数和(自身を除く): 290749120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132157, 264314, 528628, 660785, 1057256, 1321570, 2114512, 2510983, 2643140, 5021966, 5286280, 10043932, 10572560, 12554915, 20087864, 25109830, 40175728, 50219660, 100439320, 200878640]

約数ペア:

[(1, 200878640), (2, 100439320), (4, 50219660), (5, 40175728), (8, 25109830), (10, 20087864), (16, 12554915), (19, 10572560), (20, 10043932), (38, 5286280), (40, 5021966), (76, 2643140), (80, 2510983), (95, 2114512), (152, 1321570), (190, 1057256), (304, 660785), (380, 528628), (760, 264314), (1520, 132157)]