97047980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 211927296

約数和(自身を除く): 114879316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 310, 314, 620, 628, 785, 997, 1570, 1994, 3140, 3988, 4867, 4985, 9734, 9970, 19468, 19940, 24335, 30907, 48670, 61814, 97340, 123628, 154535, 156529, 309070, 313058, 618140, 626116, 782645, 1565290, 3130580, 4852399, 9704798, 19409596, 24261995, 48523990, 97047980]

約数ペア:

[(1, 97047980), (2, 48523990), (4, 24261995), (5, 19409596), (10, 9704798), (20, 4852399), (31, 3130580), (62, 1565290), (124, 782645), (155, 626116), (157, 618140), (310, 313058), (314, 309070), (620, 156529), (628, 154535), (785, 123628), (997, 97340), (1570, 61814), (1994, 48670), (3140, 30907), (3988, 24335), (4867, 19940), (4985, 19468), (9734, 9970)]