491661960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{42239}}^1$

素因数の和:42350

約数の個数: 64

約数和(自身を含む): 1490227200

約数和(自身を除く): 998565240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 11640, 42239, 84478, 126717, 168956, 211195, 253434, 337912, 422390, 506868, 633585, 844780, 1013736, 1267170, 1689560, 2534340, 4097183, 5068680, 8194366, 12291549, 16388732, 20485915, 24583098, 32777464, 40971830, 49166196, 61457745, 81943660, 98332392, 122915490, 163887320, 245830980, 491661960]

約数ペア:

[(1, 491661960), (2, 245830980), (3, 163887320), (4, 122915490), (5, 98332392), (6, 81943660), (8, 61457745), (10, 49166196), (12, 40971830), (15, 32777464), (20, 24583098), (24, 20485915), (30, 16388732), (40, 12291549), (60, 8194366), (97, 5068680), (120, 4097183), (194, 2534340), (291, 1689560), (388, 1267170), (485, 1013736), (582, 844780), (776, 633585), (970, 506868), (1164, 422390), (1455, 337912), (1940, 253434), (2328, 211195), (2910, 168956), (3880, 126717), (5820, 84478), (11640, 42239)]