201890320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{971}}^1$

素因数の和:1120

約数の個数: 80

約数和(自身を含む): 494646912

約数和(自身を除く): 292756592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 113, 115, 184, 226, 230, 368, 452, 460, 565, 904, 920, 971, 1130, 1808, 1840, 1942, 2260, 2599, 3884, 4520, 4855, 5198, 7768, 9040, 9710, 10396, 12995, 15536, 19420, 20792, 22333, 25990, 38840, 41584, 44666, 51980, 77680, 89332, 103960, 109723, 111665, 178664, 207920, 219446, 223330, 357328, 438892, 446660, 548615, 877784, 893320, 1097230, 1755568, 1786640, 2194460, 2523629, 4388920, 5047258, 8777840, 10094516, 12618145, 20189032, 25236290, 40378064, 50472580, 100945160, 201890320]

約数ペア:

[(1, 201890320), (2, 100945160), (4, 50472580), (5, 40378064), (8, 25236290), (10, 20189032), (16, 12618145), (20, 10094516), (23, 8777840), (40, 5047258), (46, 4388920), (80, 2523629), (92, 2194460), (113, 1786640), (115, 1755568), (184, 1097230), (226, 893320), (230, 877784), (368, 548615), (452, 446660), (460, 438892), (565, 357328), (904, 223330), (920, 219446), (971, 207920), (1130, 178664), (1808, 111665), (1840, 109723), (1942, 103960), (2260, 89332), (2599, 77680), (3884, 51980), (4520, 44666), (4855, 41584), (5198, 38840), (7768, 25990), (9040, 22333), (9710, 20792), (10396, 19420), (12995, 15536)]