28190970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 75651840

約数和(自身を除く): 47460870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 263, 270, 397, 526, 789, 794, 1191, 1315, 1578, 1985, 2367, 2382, 2630, 3573, 3945, 3970, 4734, 5955, 7101, 7146, 7890, 10719, 11835, 11910, 14202, 17865, 21438, 23670, 35505, 35730, 53595, 71010, 104411, 107190, 208822, 313233, 522055, 626466, 939699, 1044110, 1566165, 1879398, 2819097, 3132330, 4698495, 5638194, 9396990, 14095485, 28190970]

約数ペア:

[(1, 28190970), (2, 14095485), (3, 9396990), (5, 5638194), (6, 4698495), (9, 3132330), (10, 2819097), (15, 1879398), (18, 1566165), (27, 1044110), (30, 939699), (45, 626466), (54, 522055), (90, 313233), (135, 208822), (263, 107190), (270, 104411), (397, 71010), (526, 53595), (789, 35730), (794, 35505), (1191, 23670), (1315, 21438), (1578, 17865), (1985, 14202), (2367, 11910), (2382, 11835), (2630, 10719), (3573, 7890), (3945, 7146), (3970, 7101), (4734, 5955)]