238750120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:455

約数の個数: 128

約数和(自身を含む): 647792640

約数和(自身を除く): 409042520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 131, 140, 161, 184, 230, 262, 280, 283, 322, 460, 524, 566, 644, 655, 805, 917, 920, 1048, 1132, 1288, 1310, 1415, 1610, 1834, 1981, 2264, 2620, 2830, 3013, 3220, 3668, 3962, 4585, 5240, 5660, 6026, 6440, 6509, 7336, 7924, 9170, 9905, 11320, 12052, 13018, 15065, 15848, 18340, 19810, 21091, 24104, 26036, 30130, 32545, 36680, 37073, 39620, 42182, 45563, 52072, 60260, 65090, 74146, 79240, 84364, 91126, 105455, 120520, 130180, 148292, 168728, 182252, 185365, 210910, 227815, 259511, 260360, 296584, 364504, 370730, 421820, 455630, 519022, 741460, 843640, 852679, 911260, 1038044, 1297555, 1482920, 1705358, 1822520, 2076088, 2595110, 3410716, 4263395, 5190220, 5968753, 6821432, 8526790, 10380440, 11937506, 17053580, 23875012, 29843765, 34107160, 47750024, 59687530, 119375060, 238750120]

約数ペア:

[(1, 238750120), (2, 119375060), (4, 59687530), (5, 47750024), (7, 34107160), (8, 29843765), (10, 23875012), (14, 17053580), (20, 11937506), (23, 10380440), (28, 8526790), (35, 6821432), (40, 5968753), (46, 5190220), (56, 4263395), (70, 3410716), (92, 2595110), (115, 2076088), (131, 1822520), (140, 1705358), (161, 1482920), (184, 1297555), (230, 1038044), (262, 911260), (280, 852679), (283, 843640), (322, 741460), (460, 519022), (524, 455630), (566, 421820), (644, 370730), (655, 364504), (805, 296584), (917, 260360), (920, 259511), (1048, 227815), (1132, 210910), (1288, 185365), (1310, 182252), (1415, 168728), (1610, 148292), (1834, 130180), (1981, 120520), (2264, 105455), (2620, 91126), (2830, 84364), (3013, 79240), (3220, 74146), (3668, 65090), (3962, 60260), (4585, 52072), (5240, 45563), (5660, 42182), (6026, 39620), (6440, 37073), (6509, 36680), (7336, 32545), (7924, 30130), (9170, 26036), (9905, 24104), (11320, 21091), (12052, 19810), (13018, 18340), (15065, 15848)]