4457020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 10150560

約数和(自身を除く): 5693540

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 317, 370, 380, 634, 703, 740, 1268, 1406, 1585, 2812, 3170, 3515, 6023, 6340, 7030, 11729, 12046, 14060, 23458, 24092, 30115, 46916, 58645, 60230, 117290, 120460, 222851, 234580, 445702, 891404, 1114255, 2228510, 4457020]

約数ペア:

[(1, 4457020), (2, 2228510), (4, 1114255), (5, 891404), (10, 445702), (19, 234580), (20, 222851), (37, 120460), (38, 117290), (74, 60230), (76, 58645), (95, 46916), (148, 30115), (185, 24092), (190, 23458), (317, 14060), (370, 12046), (380, 11729), (634, 7030), (703, 6340), (740, 6023), (1268, 3515), (1406, 3170), (1585, 2812)]