203739640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{30139}}^1$

素因数の和:30176

約数の個数: 48

約数和(自身を含む): 496405800

約数和(自身を除く): 292666160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 30139, 60278, 120556, 150695, 241112, 301390, 391807, 602780, 783614, 1205560, 1567228, 1959035, 3134456, 3918070, 5093491, 7836140, 10186982, 15672280, 20373964, 25467455, 40747928, 50934910, 101869820, 203739640]

約数ペア:

[(1, 203739640), (2, 101869820), (4, 50934910), (5, 40747928), (8, 25467455), (10, 20373964), (13, 15672280), (20, 10186982), (26, 7836140), (40, 5093491), (52, 3918070), (65, 3134456), (104, 1959035), (130, 1567228), (169, 1205560), (260, 783614), (338, 602780), (520, 391807), (676, 301390), (845, 241112), (1352, 150695), (1690, 120556), (3380, 60278), (6760, 30139)]