61808860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1747}}^1$

素因数の和:1846

約数の個数: 48

約数和(自身を含む): 136553760

約数和(自身を除く): 74744900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1747, 1769, 3494, 3538, 6988, 7076, 8735, 8845, 17470, 17690, 34940, 35380, 50663, 101326, 106567, 202652, 213134, 253315, 426268, 506630, 532835, 1013260, 1065670, 2131340, 3090443, 6180886, 12361772, 15452215, 30904430, 61808860]

約数ペア:

[(1, 61808860), (2, 30904430), (4, 15452215), (5, 12361772), (10, 6180886), (20, 3090443), (29, 2131340), (58, 1065670), (61, 1013260), (116, 532835), (122, 506630), (145, 426268), (244, 253315), (290, 213134), (305, 202652), (580, 106567), (610, 101326), (1220, 50663), (1747, 35380), (1769, 34940), (3494, 17690), (3538, 17470), (6988, 8845), (7076, 8735)]