51848440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 142248960

約数和(自身を除く): 90400520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 83, 92, 97, 115, 140, 161, 166, 184, 194, 230, 280, 322, 332, 388, 415, 460, 485, 581, 644, 664, 679, 776, 805, 830, 920, 970, 1162, 1288, 1358, 1610, 1660, 1909, 1940, 2231, 2324, 2716, 2905, 3220, 3320, 3395, 3818, 3880, 4462, 4648, 5432, 5810, 6440, 6790, 7636, 8051, 8924, 9545, 11155, 11620, 13363, 13580, 15272, 15617, 16102, 17848, 19090, 22310, 23240, 26726, 27160, 31234, 32204, 38180, 40255, 44620, 53452, 56357, 62468, 64408, 66815, 76360, 78085, 80510, 89240, 106904, 112714, 124936, 133630, 156170, 161020, 185173, 225428, 267260, 281785, 312340, 322040, 370346, 450856, 534520, 563570, 624680, 740692, 925865, 1127140, 1296211, 1481384, 1851730, 2254280, 2592422, 3703460, 5184844, 6481055, 7406920, 10369688, 12962110, 25924220, 51848440]

約数ペア:

[(1, 51848440), (2, 25924220), (4, 12962110), (5, 10369688), (7, 7406920), (8, 6481055), (10, 5184844), (14, 3703460), (20, 2592422), (23, 2254280), (28, 1851730), (35, 1481384), (40, 1296211), (46, 1127140), (56, 925865), (70, 740692), (83, 624680), (92, 563570), (97, 534520), (115, 450856), (140, 370346), (161, 322040), (166, 312340), (184, 281785), (194, 267260), (230, 225428), (280, 185173), (322, 161020), (332, 156170), (388, 133630), (415, 124936), (460, 112714), (485, 106904), (581, 89240), (644, 80510), (664, 78085), (679, 76360), (776, 66815), (805, 64408), (830, 62468), (920, 56357), (970, 53452), (1162, 44620), (1288, 40255), (1358, 38180), (1610, 32204), (1660, 31234), (1909, 27160), (1940, 26726), (2231, 23240), (2324, 22310), (2716, 19090), (2905, 17848), (3220, 16102), (3320, 15617), (3395, 15272), (3818, 13580), (3880, 13363), (4462, 11620), (4648, 11155), (5432, 9545), (5810, 8924), (6440, 8051), (6790, 7636)]