247821040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1298

約数の個数: 80

約数和(自身を含む): 599756256

約数和(自身を除く): 351935216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 61, 80, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 688, 860, 976, 1181, 1220, 1720, 2362, 2440, 2623, 3440, 4724, 4880, 5246, 5905, 9448, 10492, 11810, 13115, 18896, 20984, 23620, 26230, 41968, 47240, 50783, 52460, 72041, 94480, 101566, 104920, 144082, 203132, 209840, 253915, 288164, 360205, 406264, 507830, 576328, 720410, 812528, 1015660, 1152656, 1440820, 2031320, 2881640, 3097763, 4062640, 5763280, 6195526, 12391052, 15488815, 24782104, 30977630, 49564208, 61955260, 123910520, 247821040]

約数ペア:

[(1, 247821040), (2, 123910520), (4, 61955260), (5, 49564208), (8, 30977630), (10, 24782104), (16, 15488815), (20, 12391052), (40, 6195526), (43, 5763280), (61, 4062640), (80, 3097763), (86, 2881640), (122, 2031320), (172, 1440820), (215, 1152656), (244, 1015660), (305, 812528), (344, 720410), (430, 576328), (488, 507830), (610, 406264), (688, 360205), (860, 288164), (976, 253915), (1181, 209840), (1220, 203132), (1720, 144082), (2362, 104920), (2440, 101566), (2623, 94480), (3440, 72041), (4724, 52460), (4880, 50783), (5246, 47240), (5905, 41968), (9448, 26230), (10492, 23620), (11810, 20984), (13115, 18896)]