118544420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1987}}^1$

素因数の和:2172

約数の個数: 48

約数和(自身を含む): 263847360

約数和(自身を除く): 145302940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 628, 785, 1570, 1987, 2983, 3140, 3974, 5966, 7948, 9935, 11932, 14915, 19870, 29830, 37753, 39740, 59660, 75506, 151012, 188765, 311959, 377530, 623918, 755060, 1247836, 1559795, 3119590, 5927221, 6239180, 11854442, 23708884, 29636105, 59272210, 118544420]

約数ペア:

[(1, 118544420), (2, 59272210), (4, 29636105), (5, 23708884), (10, 11854442), (19, 6239180), (20, 5927221), (38, 3119590), (76, 1559795), (95, 1247836), (157, 755060), (190, 623918), (314, 377530), (380, 311959), (628, 188765), (785, 151012), (1570, 75506), (1987, 59660), (2983, 39740), (3140, 37753), (3974, 29830), (5966, 19870), (7948, 14915), (9935, 11932)]