388611760

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{293}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 925253280

約数和(自身を除く): 536641520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 281, 293, 295, 472, 562, 586, 590, 944, 1124, 1172, 1180, 1405, 1465, 2248, 2344, 2360, 2810, 2930, 4496, 4688, 4720, 5620, 5860, 11240, 11720, 16579, 17287, 22480, 23440, 33158, 34574, 66316, 69148, 82333, 82895, 86435, 132632, 138296, 164666, 165790, 172870, 265264, 276592, 329332, 331580, 345740, 411665, 658664, 663160, 691480, 823330, 1317328, 1326320, 1382960, 1646660, 3293320, 4857647, 6586640, 9715294, 19430588, 24288235, 38861176, 48576470, 77722352, 97152940, 194305880, 388611760]

約数ペア:

[(1, 388611760), (2, 194305880), (4, 97152940), (5, 77722352), (8, 48576470), (10, 38861176), (16, 24288235), (20, 19430588), (40, 9715294), (59, 6586640), (80, 4857647), (118, 3293320), (236, 1646660), (281, 1382960), (293, 1326320), (295, 1317328), (472, 823330), (562, 691480), (586, 663160), (590, 658664), (944, 411665), (1124, 345740), (1172, 331580), (1180, 329332), (1405, 276592), (1465, 265264), (2248, 172870), (2344, 165790), (2360, 164666), (2810, 138296), (2930, 132632), (4496, 86435), (4688, 82895), (4720, 82333), (5620, 69148), (5860, 66316), (11240, 34574), (11720, 33158), (16579, 23440), (17287, 22480)]