154597940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2257

約数の個数: 72

約数和(自身を含む): 383011272

約数和(自身を除く): 228413332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1460, 2044, 2161, 2555, 3577, 4322, 5110, 7154, 8644, 10220, 10805, 14308, 15127, 17885, 21610, 30254, 35770, 43220, 60508, 71540, 75635, 105889, 151270, 157753, 211778, 302540, 315506, 423556, 529445, 631012, 788765, 1058890, 1104271, 1577530, 2117780, 2208542, 3155060, 4417084, 5521355, 7729897, 11042710, 15459794, 22085420, 30919588, 38649485, 77298970, 154597940]

約数ペア:

[(1, 154597940), (2, 77298970), (4, 38649485), (5, 30919588), (7, 22085420), (10, 15459794), (14, 11042710), (20, 7729897), (28, 5521355), (35, 4417084), (49, 3155060), (70, 2208542), (73, 2117780), (98, 1577530), (140, 1104271), (146, 1058890), (196, 788765), (245, 631012), (292, 529445), (365, 423556), (490, 315506), (511, 302540), (730, 211778), (980, 157753), (1022, 151270), (1460, 105889), (2044, 75635), (2161, 71540), (2555, 60508), (3577, 43220), (4322, 35770), (5110, 30254), (7154, 21610), (8644, 17885), (10220, 15127), (10805, 14308)]