388613680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53381}}^1$

素因数の和:53414

約数の個数: 80

約数和(自身を含む): 1112053824

約数和(自身を除く): 723440144

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 53381, 106762, 213524, 266905, 373667, 427048, 533810, 693953, 747334, 854096, 1067620, 1387906, 1494668, 1868335, 2135240, 2775812, 2989336, 3469765, 3736670, 4270480, 4857671, 5551624, 5978672, 6939530, 7473340, 9715342, 11103248, 13879060, 14946680, 19430684, 24288355, 27758120, 29893360, 38861368, 48576710, 55516240, 77722736, 97153420, 194306840, 388613680]

約数ペア:

[(1, 388613680), (2, 194306840), (4, 97153420), (5, 77722736), (7, 55516240), (8, 48576710), (10, 38861368), (13, 29893360), (14, 27758120), (16, 24288355), (20, 19430684), (26, 14946680), (28, 13879060), (35, 11103248), (40, 9715342), (52, 7473340), (56, 6939530), (65, 5978672), (70, 5551624), (80, 4857671), (91, 4270480), (104, 3736670), (112, 3469765), (130, 2989336), (140, 2775812), (182, 2135240), (208, 1868335), (260, 1494668), (280, 1387906), (364, 1067620), (455, 854096), (520, 747334), (560, 693953), (728, 533810), (910, 427048), (1040, 373667), (1456, 266905), (1820, 213524), (3640, 106762), (7280, 53381)]