68803930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 142829568

約数和(自身を除く): 74025638

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 163, 170, 191, 221, 326, 382, 442, 815, 955, 1105, 1630, 1910, 2119, 2210, 2483, 2771, 3247, 4238, 4966, 5542, 6494, 10595, 12415, 13855, 16235, 21190, 24830, 27710, 31133, 32470, 36023, 42211, 62266, 72046, 84422, 155665, 180115, 211055, 311330, 360230, 404729, 422110, 529261, 809458, 1058522, 2023645, 2646305, 4047290, 5292610, 6880393, 13760786, 34401965, 68803930]

約数ペア:

[(1, 68803930), (2, 34401965), (5, 13760786), (10, 6880393), (13, 5292610), (17, 4047290), (26, 2646305), (34, 2023645), (65, 1058522), (85, 809458), (130, 529261), (163, 422110), (170, 404729), (191, 360230), (221, 311330), (326, 211055), (382, 180115), (442, 155665), (815, 84422), (955, 72046), (1105, 62266), (1630, 42211), (1910, 36023), (2119, 32470), (2210, 31133), (2483, 27710), (2771, 24830), (3247, 21190), (4238, 16235), (4966, 13855), (5542, 12415), (6494, 10595)]