209909680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1597}}^1$

素因数の和:1694

約数の個数: 80

約数和(自身を含む): 513609984

約数和(自身を除く): 303700304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1060, 1240, 1597, 1643, 2120, 2480, 3194, 3286, 4240, 6388, 6572, 7985, 8215, 12776, 13144, 15970, 16430, 25552, 26288, 31940, 32860, 49507, 63880, 65720, 84641, 99014, 127760, 131440, 169282, 198028, 247535, 338564, 396056, 423205, 495070, 677128, 792112, 846410, 990140, 1354256, 1692820, 1980280, 2623871, 3385640, 3960560, 5247742, 6771280, 10495484, 13119355, 20990968, 26238710, 41981936, 52477420, 104954840, 209909680]

約数ペア:

[(1, 209909680), (2, 104954840), (4, 52477420), (5, 41981936), (8, 26238710), (10, 20990968), (16, 13119355), (20, 10495484), (31, 6771280), (40, 5247742), (53, 3960560), (62, 3385640), (80, 2623871), (106, 1980280), (124, 1692820), (155, 1354256), (212, 990140), (248, 846410), (265, 792112), (310, 677128), (424, 495070), (496, 423205), (530, 396056), (620, 338564), (848, 247535), (1060, 198028), (1240, 169282), (1597, 131440), (1643, 127760), (2120, 99014), (2480, 84641), (3194, 65720), (3286, 63880), (4240, 49507), (6388, 32860), (6572, 31940), (7985, 26288), (8215, 25552), (12776, 16430), (13144, 15970)]