388251130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2359

約数の個数: 64

約数和(自身を含む): 785894400

約数和(自身を除く): 397643270

約数列:

[1, 2, 5, 10, 19, 29, 31, 38, 58, 62, 95, 145, 155, 190, 290, 310, 551, 589, 899, 1102, 1178, 1798, 2273, 2755, 2945, 4495, 4546, 5510, 5890, 8990, 11365, 17081, 22730, 34162, 43187, 65917, 70463, 85405, 86374, 131834, 140926, 170810, 215935, 329585, 352315, 431870, 659170, 704630, 1252423, 1338797, 2043427, 2504846, 2677594, 4086854, 6262115, 6693985, 10217135, 12524230, 13387970, 20434270, 38825113, 77650226, 194125565, 388251130]

約数ペア:

[(1, 388251130), (2, 194125565), (5, 77650226), (10, 38825113), (19, 20434270), (29, 13387970), (31, 12524230), (38, 10217135), (58, 6693985), (62, 6262115), (95, 4086854), (145, 2677594), (155, 2504846), (190, 2043427), (290, 1338797), (310, 1252423), (551, 704630), (589, 659170), (899, 431870), (1102, 352315), (1178, 329585), (1798, 215935), (2273, 170810), (2755, 140926), (2945, 131834), (4495, 86374), (4546, 85405), (5510, 70463), (5890, 65917), (8990, 43187), (11365, 34162), (17081, 22730)]