210867280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{202757}}^1$

素因数の和:202783

約数の個数: 40

約数和(自身を含む): 527981832

約数和(自身を除く): 317114552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 202757, 405514, 811028, 1013785, 1622056, 2027570, 2635841, 3244112, 4055140, 5271682, 8110280, 10543364, 13179205, 16220560, 21086728, 26358410, 42173456, 52716820, 105433640, 210867280]

約数ペア:

[(1, 210867280), (2, 105433640), (4, 52716820), (5, 42173456), (8, 26358410), (10, 21086728), (13, 16220560), (16, 13179205), (20, 10543364), (26, 8110280), (40, 5271682), (52, 4055140), (65, 3244112), (80, 2635841), (104, 2027570), (130, 1622056), (208, 1013785), (260, 811028), (520, 405514), (1040, 202757)]