207308920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{337}}^1$

素因数の和:394

約数の個数: 128

約数和(自身を含む): 579196800

約数和(自身を除く): 371887880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 169, 182, 260, 280, 337, 338, 364, 455, 520, 674, 676, 728, 845, 910, 1183, 1348, 1352, 1685, 1690, 1820, 2197, 2359, 2366, 2696, 3370, 3380, 3640, 4381, 4394, 4718, 4732, 5915, 6740, 6760, 8762, 8788, 9436, 9464, 10985, 11795, 11830, 13480, 15379, 17524, 17576, 18872, 21905, 21970, 23590, 23660, 30667, 30758, 35048, 43810, 43940, 47180, 47320, 56953, 61334, 61516, 76895, 87620, 87880, 94360, 113906, 122668, 123032, 153335, 153790, 175240, 227812, 245336, 284765, 306670, 307580, 398671, 455624, 569530, 613340, 615160, 740389, 797342, 1139060, 1226680, 1480778, 1594684, 1993355, 2278120, 2961556, 3189368, 3701945, 3986710, 5182723, 5923112, 7403890, 7973420, 10365446, 14807780, 15946840, 20730892, 25913615, 29615560, 41461784, 51827230, 103654460, 207308920]

約数ペア:

[(1, 207308920), (2, 103654460), (4, 51827230), (5, 41461784), (7, 29615560), (8, 25913615), (10, 20730892), (13, 15946840), (14, 14807780), (20, 10365446), (26, 7973420), (28, 7403890), (35, 5923112), (40, 5182723), (52, 3986710), (56, 3701945), (65, 3189368), (70, 2961556), (91, 2278120), (104, 1993355), (130, 1594684), (140, 1480778), (169, 1226680), (182, 1139060), (260, 797342), (280, 740389), (337, 615160), (338, 613340), (364, 569530), (455, 455624), (520, 398671), (674, 307580), (676, 306670), (728, 284765), (845, 245336), (910, 227812), (1183, 175240), (1348, 153790), (1352, 153335), (1685, 123032), (1690, 122668), (1820, 113906), (2197, 94360), (2359, 87880), (2366, 87620), (2696, 76895), (3370, 61516), (3380, 61334), (3640, 56953), (4381, 47320), (4394, 47180), (4718, 43940), (4732, 43810), (5915, 35048), (6740, 30758), (6760, 30667), (8762, 23660), (8788, 23590), (9436, 21970), (9464, 21905), (10985, 18872), (11795, 17576), (11830, 17524), (13480, 15379)]