198915690580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1968293}}^1$

素因数の和:1968496

約数の個数: 48

約数和(自身を含む): 433843490304

約数和(自身を除く): 234927799724

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 815, 1630, 3260, 5053, 10106, 20212, 25265, 50530, 101060, 1968293, 3936586, 7873172, 9841465, 19682930, 39365860, 61017083, 122034166, 244068332, 305085415, 320831759, 610170830, 641663518, 1220341660, 1283327036, 1604158795, 3208317590, 6416635180, 9945784529, 19891569058, 39783138116, 49728922645, 99457845290, 198915690580]

約数ペア:

[(1, 198915690580), (2, 99457845290), (4, 49728922645), (5, 39783138116), (10, 19891569058), (20, 9945784529), (31, 6416635180), (62, 3208317590), (124, 1604158795), (155, 1283327036), (163, 1220341660), (310, 641663518), (326, 610170830), (620, 320831759), (652, 305085415), (815, 244068332), (1630, 122034166), (3260, 61017083), (5053, 39365860), (10106, 19682930), (20212, 9841465), (25265, 7873172), (50530, 3936586), (101060, 1968293)]