221551140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{217207}}^1$

素因数の和:217236

約数の個数: 48

約数和(自身を含む): 656836992

約数和(自身を除く): 435285852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 217207, 434414, 651621, 868828, 1086035, 1303242, 2172070, 2606484, 3258105, 3692519, 4344140, 6516210, 7385038, 11077557, 13032420, 14770076, 18462595, 22155114, 36925190, 44310228, 55387785, 73850380, 110775570, 221551140]

約数ペア:

[(1, 221551140), (2, 110775570), (3, 73850380), (4, 55387785), (5, 44310228), (6, 36925190), (10, 22155114), (12, 18462595), (15, 14770076), (17, 13032420), (20, 11077557), (30, 7385038), (34, 6516210), (51, 4344140), (60, 3692519), (68, 3258105), (85, 2606484), (102, 2172070), (170, 1303242), (204, 1086035), (255, 868828), (340, 651621), (510, 434414), (1020, 217207)]