198188050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{911}}^1$

素因数の和:1171

約数の個数: 48

約数和(自身を含む): 390153600

約数和(自身を除く): 191965550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 229, 458, 475, 911, 950, 1145, 1822, 2290, 4351, 4555, 5725, 8702, 9110, 11450, 17309, 21755, 22775, 34618, 43510, 45550, 86545, 108775, 173090, 208619, 217550, 417238, 432725, 865450, 1043095, 2086190, 3963761, 5215475, 7927522, 10430950, 19818805, 39637610, 99094025, 198188050]

約数ペア:

[(1, 198188050), (2, 99094025), (5, 39637610), (10, 19818805), (19, 10430950), (25, 7927522), (38, 5215475), (50, 3963761), (95, 2086190), (190, 1043095), (229, 865450), (458, 432725), (475, 417238), (911, 217550), (950, 208619), (1145, 173090), (1822, 108775), (2290, 86545), (4351, 45550), (4555, 43510), (5725, 34618), (8702, 22775), (9110, 21755), (11450, 17309)]