305417840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41953}}^1$

素因数の和:41986

約数の個数: 80

約数和(自身を含む): 873985728

約数和(自身を除く): 568567888

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, 41953, 83906, 167812, 209765, 293671, 335624, 419530, 545389, 587342, 671248, 839060, 1090778, 1174684, 1468355, 1678120, 2181556, 2349368, 2726945, 2936710, 3356240, 3817723, 4363112, 4698736, 5453890, 5873420, 7635446, 8726224, 10907780, 11746840, 15270892, 19088615, 21815560, 23493680, 30541784, 38177230, 43631120, 61083568, 76354460, 152708920, 305417840]

約数ペア:

[(1, 305417840), (2, 152708920), (4, 76354460), (5, 61083568), (7, 43631120), (8, 38177230), (10, 30541784), (13, 23493680), (14, 21815560), (16, 19088615), (20, 15270892), (26, 11746840), (28, 10907780), (35, 8726224), (40, 7635446), (52, 5873420), (56, 5453890), (65, 4698736), (70, 4363112), (80, 3817723), (91, 3356240), (104, 2936710), (112, 2726945), (130, 2349368), (140, 2181556), (182, 1678120), (208, 1468355), (260, 1174684), (280, 1090778), (364, 839060), (455, 671248), (520, 587342), (560, 545389), (728, 419530), (910, 335624), (1040, 293671), (1456, 209765), (1820, 167812), (3640, 83906), (7280, 41953)]