168998420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 363242880

約数和(自身を除く): 194244460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 197, 236, 295, 394, 590, 727, 788, 985, 1180, 1454, 1970, 2908, 3635, 3940, 7270, 11623, 14540, 23246, 42893, 46492, 58115, 85786, 116230, 143219, 171572, 214465, 232460, 286438, 428930, 572876, 716095, 857860, 1432190, 2864380, 8449921, 16899842, 33799684, 42249605, 84499210, 168998420]

約数ペア:

[(1, 168998420), (2, 84499210), (4, 42249605), (5, 33799684), (10, 16899842), (20, 8449921), (59, 2864380), (118, 1432190), (197, 857860), (236, 716095), (295, 572876), (394, 428930), (590, 286438), (727, 232460), (788, 214465), (985, 171572), (1180, 143219), (1454, 116230), (1970, 85786), (2908, 58115), (3635, 46492), (3940, 42893), (7270, 23246), (11623, 14540)]