903156920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{1951}}^1$

素因数の和:2196

約数の個数: 64

約数和(自身を含む): 2074429440

約数和(自身を除く): 1171272520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 163, 284, 326, 355, 568, 652, 710, 815, 1304, 1420, 1630, 1951, 2840, 3260, 3902, 6520, 7804, 9755, 11573, 15608, 19510, 23146, 39020, 46292, 57865, 78040, 92584, 115730, 138521, 231460, 277042, 318013, 462920, 554084, 636026, 692605, 1108168, 1272052, 1385210, 1590065, 2544104, 2770420, 3180130, 5540840, 6360260, 12720520, 22578923, 45157846, 90315692, 112894615, 180631384, 225789230, 451578460, 903156920]

約数ペア:

[(1, 903156920), (2, 451578460), (4, 225789230), (5, 180631384), (8, 112894615), (10, 90315692), (20, 45157846), (40, 22578923), (71, 12720520), (142, 6360260), (163, 5540840), (284, 3180130), (326, 2770420), (355, 2544104), (568, 1590065), (652, 1385210), (710, 1272052), (815, 1108168), (1304, 692605), (1420, 636026), (1630, 554084), (1951, 462920), (2840, 318013), (3260, 277042), (3902, 231460), (6520, 138521), (7804, 115730), (9755, 92584), (11573, 78040), (15608, 57865), (19510, 46292), (23146, 39020)]