251093080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{241}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 659149920

約数和(自身を除く): 408056840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 241, 244, 280, 305, 427, 482, 488, 610, 854, 964, 1205, 1220, 1687, 1708, 1928, 2135, 2410, 2440, 3374, 3416, 3721, 4270, 4820, 6748, 7442, 8435, 8540, 9640, 13496, 14701, 14884, 16870, 17080, 18605, 26047, 29402, 29768, 33740, 37210, 52094, 58804, 67480, 73505, 74420, 102907, 104188, 117608, 130235, 147010, 148840, 205814, 208376, 260470, 294020, 411628, 514535, 520940, 588040, 823256, 896761, 1029070, 1041880, 1793522, 2058140, 3587044, 4116280, 4483805, 6277327, 7174088, 8967610, 12554654, 17935220, 25109308, 31386635, 35870440, 50218616, 62773270, 125546540, 251093080]

約数ペア:

[(1, 251093080), (2, 125546540), (4, 62773270), (5, 50218616), (7, 35870440), (8, 31386635), (10, 25109308), (14, 17935220), (20, 12554654), (28, 8967610), (35, 7174088), (40, 6277327), (56, 4483805), (61, 4116280), (70, 3587044), (122, 2058140), (140, 1793522), (241, 1041880), (244, 1029070), (280, 896761), (305, 823256), (427, 588040), (482, 520940), (488, 514535), (610, 411628), (854, 294020), (964, 260470), (1205, 208376), (1220, 205814), (1687, 148840), (1708, 147010), (1928, 130235), (2135, 117608), (2410, 104188), (2440, 102907), (3374, 74420), (3416, 73505), (3721, 67480), (4270, 58804), (4820, 52094), (6748, 37210), (7442, 33740), (8435, 29768), (8540, 29402), (9640, 26047), (13496, 18605), (14701, 17080), (14884, 16870)]