30506260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 66906000

約数和(自身を除く): 36399740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 353, 580, 596, 706, 745, 1412, 1490, 1765, 2980, 3530, 4321, 7060, 8642, 10237, 17284, 20474, 21605, 40948, 43210, 51185, 52597, 86420, 102370, 105194, 204740, 210388, 262985, 525970, 1051940, 1525313, 3050626, 6101252, 7626565, 15253130, 30506260]

約数ペア:

[(1, 30506260), (2, 15253130), (4, 7626565), (5, 6101252), (10, 3050626), (20, 1525313), (29, 1051940), (58, 525970), (116, 262985), (145, 210388), (149, 204740), (290, 105194), (298, 102370), (353, 86420), (580, 52597), (596, 51185), (706, 43210), (745, 40948), (1412, 21605), (1490, 20474), (1765, 17284), (2980, 10237), (3530, 8642), (4321, 7060)]