8273900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 19748736

約数和(自身を除く): 11474836

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 157, 170, 310, 314, 340, 425, 527, 620, 628, 775, 785, 850, 1054, 1550, 1570, 1700, 2108, 2635, 2669, 3100, 3140, 3925, 4867, 5270, 5338, 7850, 9734, 10540, 10676, 13175, 13345, 15700, 19468, 24335, 26350, 26690, 48670, 52700, 53380, 66725, 82739, 97340, 121675, 133450, 165478, 243350, 266900, 330956, 413695, 486700, 827390, 1654780, 2068475, 4136950, 8273900]

約数ペア:

[(1, 8273900), (2, 4136950), (4, 2068475), (5, 1654780), (10, 827390), (17, 486700), (20, 413695), (25, 330956), (31, 266900), (34, 243350), (50, 165478), (62, 133450), (68, 121675), (85, 97340), (100, 82739), (124, 66725), (155, 53380), (157, 52700), (170, 48670), (310, 26690), (314, 26350), (340, 24335), (425, 19468), (527, 15700), (620, 13345), (628, 13175), (775, 10676), (785, 10540), (850, 9734), (1054, 7850), (1550, 5338), (1570, 5270), (1700, 4867), (2108, 3925), (2635, 3140), (2669, 3100)]