357147940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{11897}}^1$

素因数の和:12004

約数の個数: 48

約数和(自身を含む): 799545600

約数和(自身を除く): 442397660

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, 11897, 15010, 23794, 30020, 47588, 59485, 118970, 226043, 237940, 452086, 904172, 939863, 1130215, 1879726, 2260430, 3759452, 4520860, 4699315, 9398630, 17857397, 18797260, 35714794, 71429588, 89286985, 178573970, 357147940]

約数ペア:

[(1, 357147940), (2, 178573970), (4, 89286985), (5, 71429588), (10, 35714794), (19, 18797260), (20, 17857397), (38, 9398630), (76, 4699315), (79, 4520860), (95, 3759452), (158, 2260430), (190, 1879726), (316, 1130215), (380, 939863), (395, 904172), (790, 452086), (1501, 237940), (1580, 226043), (3002, 118970), (6004, 59485), (7505, 47588), (11897, 30020), (15010, 23794)]