208691700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{99377}}^1$

素因数の和:99401

約数の個数: 72

約数和(自身を含む): 690080832

約数和(自身を除く): 481389132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 99377, 198754, 298131, 397508, 496885, 596262, 695639, 993770, 1192524, 1391278, 1490655, 1987540, 2086917, 2484425, 2782556, 2981310, 3478195, 4173834, 4968850, 5962620, 6956390, 7453275, 8347668, 9937700, 10434585, 13912780, 14906550, 17390975, 20869170, 29813100, 34781950, 41738340, 52172925, 69563900, 104345850, 208691700]

約数ペア:

[(1, 208691700), (2, 104345850), (3, 69563900), (4, 52172925), (5, 41738340), (6, 34781950), (7, 29813100), (10, 20869170), (12, 17390975), (14, 14906550), (15, 13912780), (20, 10434585), (21, 9937700), (25, 8347668), (28, 7453275), (30, 6956390), (35, 5962620), (42, 4968850), (50, 4173834), (60, 3478195), (70, 2981310), (75, 2782556), (84, 2484425), (100, 2086917), (105, 1987540), (140, 1490655), (150, 1391278), (175, 1192524), (210, 993770), (300, 695639), (350, 596262), (420, 496885), (525, 397508), (700, 298131), (1050, 198754), (2100, 99377)]