150912820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{971}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 334756800

約数和(自身を除く): 183843980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 409, 818, 971, 1636, 1942, 2045, 3884, 4090, 4855, 7771, 8180, 9710, 15542, 18449, 19420, 31084, 36898, 38855, 73796, 77710, 92245, 155420, 184490, 368980, 397139, 794278, 1588556, 1985695, 3971390, 7545641, 7942780, 15091282, 30182564, 37728205, 75456410, 150912820]

約数ペア:

[(1, 150912820), (2, 75456410), (4, 37728205), (5, 30182564), (10, 15091282), (19, 7942780), (20, 7545641), (38, 3971390), (76, 1985695), (95, 1588556), (190, 794278), (380, 397139), (409, 368980), (818, 184490), (971, 155420), (1636, 92245), (1942, 77710), (2045, 73796), (3884, 38855), (4090, 36898), (4855, 31084), (7771, 19420), (8180, 18449), (9710, 15542)]