202907900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1229}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 478302720

約数和(自身を除く): 275394820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 127, 130, 254, 260, 325, 508, 635, 650, 1229, 1270, 1300, 1651, 2458, 2540, 3175, 3302, 4916, 6145, 6350, 6604, 8255, 12290, 12700, 15977, 16510, 24580, 30725, 31954, 33020, 41275, 61450, 63908, 79885, 82550, 122900, 156083, 159770, 165100, 312166, 319540, 399425, 624332, 780415, 798850, 1560830, 1597700, 2029079, 3121660, 3902075, 4058158, 7804150, 8116316, 10145395, 15608300, 20290790, 40581580, 50726975, 101453950, 202907900]

約数ペア:

[(1, 202907900), (2, 101453950), (4, 50726975), (5, 40581580), (10, 20290790), (13, 15608300), (20, 10145395), (25, 8116316), (26, 7804150), (50, 4058158), (52, 3902075), (65, 3121660), (100, 2029079), (127, 1597700), (130, 1560830), (254, 798850), (260, 780415), (325, 624332), (508, 399425), (635, 319540), (650, 312166), (1229, 165100), (1270, 159770), (1300, 156083), (1651, 122900), (2458, 82550), (2540, 79885), (3175, 63908), (3302, 61450), (4916, 41275), (6145, 33020), (6350, 31954), (6604, 30725), (8255, 24580), (12290, 16510), (12700, 15977)]