245870920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 614615040

約数和(自身を除く): 368744120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 37, 40, 46, 62, 74, 92, 115, 124, 148, 155, 184, 185, 230, 233, 248, 296, 310, 370, 460, 466, 620, 713, 740, 851, 920, 932, 1147, 1165, 1240, 1426, 1480, 1702, 1864, 2294, 2330, 2852, 3404, 3565, 4255, 4588, 4660, 5359, 5704, 5735, 6808, 7130, 7223, 8510, 8621, 9176, 9320, 10718, 11470, 14260, 14446, 17020, 17242, 21436, 22940, 26381, 26795, 28520, 28892, 34040, 34484, 36115, 42872, 43105, 45880, 52762, 53590, 57784, 68968, 72230, 86210, 105524, 107180, 131905, 144460, 166129, 172420, 198283, 211048, 214360, 263810, 267251, 288920, 332258, 344840, 396566, 527620, 534502, 664516, 793132, 830645, 991415, 1055240, 1069004, 1329032, 1336255, 1586264, 1661290, 1982830, 2138008, 2672510, 3322580, 3965660, 5345020, 6146773, 6645160, 7931320, 10690040, 12293546, 24587092, 30733865, 49174184, 61467730, 122935460, 245870920]

約数ペア:

[(1, 245870920), (2, 122935460), (4, 61467730), (5, 49174184), (8, 30733865), (10, 24587092), (20, 12293546), (23, 10690040), (31, 7931320), (37, 6645160), (40, 6146773), (46, 5345020), (62, 3965660), (74, 3322580), (92, 2672510), (115, 2138008), (124, 1982830), (148, 1661290), (155, 1586264), (184, 1336255), (185, 1329032), (230, 1069004), (233, 1055240), (248, 991415), (296, 830645), (310, 793132), (370, 664516), (460, 534502), (466, 527620), (620, 396566), (713, 344840), (740, 332258), (851, 288920), (920, 267251), (932, 263810), (1147, 214360), (1165, 211048), (1240, 198283), (1426, 172420), (1480, 166129), (1702, 144460), (1864, 131905), (2294, 107180), (2330, 105524), (2852, 86210), (3404, 72230), (3565, 68968), (4255, 57784), (4588, 53590), (4660, 52762), (5359, 45880), (5704, 43105), (5735, 42872), (6808, 36115), (7130, 34484), (7223, 34040), (8510, 28892), (8621, 28520), (9176, 26795), (9320, 26381), (10718, 22940), (11470, 21436), (14260, 17242), (14446, 17020)]