68790860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{613}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 150189312

約数和(自身を除く): 81398452

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 613, 620, 724, 905, 1226, 1810, 2452, 3065, 3620, 5611, 6130, 11222, 12260, 19003, 22444, 28055, 38006, 56110, 76012, 95015, 110953, 112220, 190030, 221906, 380060, 443812, 554765, 1109530, 2219060, 3439543, 6879086, 13758172, 17197715, 34395430, 68790860]

約数ペア:

[(1, 68790860), (2, 34395430), (4, 17197715), (5, 13758172), (10, 6879086), (20, 3439543), (31, 2219060), (62, 1109530), (124, 554765), (155, 443812), (181, 380060), (310, 221906), (362, 190030), (613, 112220), (620, 110953), (724, 95015), (905, 76012), (1226, 56110), (1810, 38006), (2452, 28055), (3065, 22444), (3620, 19003), (5611, 12260), (6130, 11222)]