221602420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4283}}^1$

素因数の和:4504

約数の個数: 48

約数和(自身を含む): 503798400

約数和(自身を除く): 282195980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3980, 4283, 5174, 8566, 10348, 12935, 17132, 21415, 25870, 42830, 51740, 55679, 85660, 111358, 222716, 278395, 556790, 852317, 1113580, 1704634, 3409268, 4261585, 8523170, 11080121, 17046340, 22160242, 44320484, 55400605, 110801210, 221602420]

約数ペア:

[(1, 221602420), (2, 110801210), (4, 55400605), (5, 44320484), (10, 22160242), (13, 17046340), (20, 11080121), (26, 8523170), (52, 4261585), (65, 3409268), (130, 1704634), (199, 1113580), (260, 852317), (398, 556790), (796, 278395), (995, 222716), (1990, 111358), (2587, 85660), (3980, 55679), (4283, 51740), (5174, 42830), (8566, 25870), (10348, 21415), (12935, 17132)]