5721945380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{212081}}^1$

素因数の和:212180

約数の個数: 48

約数和(自身を含む): 12826719360

約数和(自身を除く): 7104773980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 13490, 26980, 212081, 424162, 848324, 1060405, 2120810, 4029539, 4241620, 8059078, 15057751, 16118156, 20147695, 30115502, 40295390, 60231004, 75288755, 80590780, 150577510, 286097269, 301155020, 572194538, 1144389076, 1430486345, 2860972690, 5721945380]

約数ペア:

[(1, 5721945380), (2, 2860972690), (4, 1430486345), (5, 1144389076), (10, 572194538), (19, 301155020), (20, 286097269), (38, 150577510), (71, 80590780), (76, 75288755), (95, 60231004), (142, 40295390), (190, 30115502), (284, 20147695), (355, 16118156), (380, 15057751), (710, 8059078), (1349, 4241620), (1420, 4029539), (2698, 2120810), (5396, 1060405), (6745, 848324), (13490, 424162), (26980, 212081)]