201962830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 390297600

約数和(自身を除く): 188334770

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 109, 139, 155, 215, 218, 278, 310, 430, 545, 695, 1090, 1333, 1390, 2666, 3379, 4309, 4687, 5977, 6665, 6758, 8618, 9374, 11954, 13330, 15151, 16895, 21545, 23435, 29885, 30302, 33790, 43090, 46870, 59770, 75755, 145297, 151510, 185287, 290594, 370574, 469681, 651493, 726485, 926435, 939362, 1302986, 1452970, 1852870, 2348405, 3257465, 4696810, 6514930, 20196283, 40392566, 100981415, 201962830]

約数ペア:

[(1, 201962830), (2, 100981415), (5, 40392566), (10, 20196283), (31, 6514930), (43, 4696810), (62, 3257465), (86, 2348405), (109, 1852870), (139, 1452970), (155, 1302986), (215, 939362), (218, 926435), (278, 726485), (310, 651493), (430, 469681), (545, 370574), (695, 290594), (1090, 185287), (1333, 151510), (1390, 145297), (2666, 75755), (3379, 59770), (4309, 46870), (4687, 43090), (5977, 33790), (6665, 30302), (6758, 29885), (8618, 23435), (9374, 21545), (11954, 16895), (13330, 15151)]