210814660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:498

約数の個数: 96

約数和(自身を含む): 524160000

約数和(自身を除く): 313345340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 343, 389, 395, 490, 553, 686, 778, 790, 980, 1106, 1372, 1556, 1580, 1715, 1945, 2212, 2723, 2765, 3430, 3871, 3890, 5446, 5530, 6860, 7742, 7780, 10892, 11060, 13615, 15484, 19061, 19355, 27097, 27230, 30731, 38122, 38710, 54194, 54460, 61462, 76244, 77420, 95305, 108388, 122924, 133427, 135485, 153655, 190610, 215117, 266854, 270970, 307310, 381220, 430234, 533708, 541940, 614620, 667135, 860468, 1075585, 1334270, 1505819, 2151170, 2668540, 3011638, 4302340, 6023276, 7529095, 10540733, 15058190, 21081466, 30116380, 42162932, 52703665, 105407330, 210814660]

約数ペア:

[(1, 210814660), (2, 105407330), (4, 52703665), (5, 42162932), (7, 30116380), (10, 21081466), (14, 15058190), (20, 10540733), (28, 7529095), (35, 6023276), (49, 4302340), (70, 3011638), (79, 2668540), (98, 2151170), (140, 1505819), (158, 1334270), (196, 1075585), (245, 860468), (316, 667135), (343, 614620), (389, 541940), (395, 533708), (490, 430234), (553, 381220), (686, 307310), (778, 270970), (790, 266854), (980, 215117), (1106, 190610), (1372, 153655), (1556, 135485), (1580, 133427), (1715, 122924), (1945, 108388), (2212, 95305), (2723, 77420), (2765, 76244), (3430, 61462), (3871, 54460), (3890, 54194), (5446, 38710), (5530, 38122), (6860, 30731), (7742, 27230), (7780, 27097), (10892, 19355), (11060, 19061), (13615, 15484)]