279480760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{2347}}^1$

素因数の和:2600

約数の個数: 64

約数和(自身を含む): 680450400

約数和(自身を除く): 400969640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 229, 260, 458, 520, 916, 1145, 1832, 2290, 2347, 2977, 4580, 4694, 5954, 9160, 9388, 11735, 11908, 14885, 18776, 23470, 23816, 29770, 30511, 46940, 59540, 61022, 93880, 119080, 122044, 152555, 244088, 305110, 537463, 610220, 1074926, 1220440, 2149852, 2687315, 4299704, 5374630, 6987019, 10749260, 13974038, 21498520, 27948076, 34935095, 55896152, 69870190, 139740380, 279480760]

約数ペア:

[(1, 279480760), (2, 139740380), (4, 69870190), (5, 55896152), (8, 34935095), (10, 27948076), (13, 21498520), (20, 13974038), (26, 10749260), (40, 6987019), (52, 5374630), (65, 4299704), (104, 2687315), (130, 2149852), (229, 1220440), (260, 1074926), (458, 610220), (520, 537463), (916, 305110), (1145, 244088), (1832, 152555), (2290, 122044), (2347, 119080), (2977, 93880), (4580, 61022), (4694, 59540), (5954, 46940), (9160, 30511), (9388, 29770), (11735, 23816), (11908, 23470), (14885, 18776)]