4979027140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{165857}}^1$

素因数の和:165964

約数の個数: 48

約数和(自身を含む): 11145657600

約数和(自身を除く): 6166630460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 7505, 15010, 30020, 165857, 331714, 663428, 829285, 1658570, 3151283, 3317140, 6302566, 12605132, 13102703, 15756415, 26205406, 31512830, 52410812, 63025660, 65513515, 131027030, 248951357, 262054060, 497902714, 995805428, 1244756785, 2489513570, 4979027140]

約数ペア:

[(1, 4979027140), (2, 2489513570), (4, 1244756785), (5, 995805428), (10, 497902714), (19, 262054060), (20, 248951357), (38, 131027030), (76, 65513515), (79, 63025660), (95, 52410812), (158, 31512830), (190, 26205406), (316, 15756415), (380, 13102703), (395, 12605132), (790, 6302566), (1501, 3317140), (1580, 3151283), (3002, 1658570), (6004, 829285), (7505, 663428), (15010, 331714), (30020, 165857)]