210800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:66

約数の個数: 60

約数和(自身を含む): 553536

約数和(自身を除く): 342736

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 34, 40, 50, 62, 68, 80, 85, 100, 124, 136, 155, 170, 200, 248, 272, 310, 340, 400, 425, 496, 527, 620, 680, 775, 850, 1054, 1240, 1360, 1550, 1700, 2108, 2480, 2635, 3100, 3400, 4216, 5270, 6200, 6800, 8432, 10540, 12400, 13175, 21080, 26350, 42160, 52700, 105400, 210800]

約数ペア:

[(1, 210800), (2, 105400), (4, 52700), (5, 42160), (8, 26350), (10, 21080), (16, 13175), (17, 12400), (20, 10540), (25, 8432), (31, 6800), (34, 6200), (40, 5270), (50, 4216), (62, 3400), (68, 3100), (80, 2635), (85, 2480), (100, 2108), (124, 1700), (136, 1550), (155, 1360), (170, 1240), (200, 1054), (248, 850), (272, 775), (310, 680), (340, 620), (400, 527), (425, 496)]