209820210685

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{853}}^1$

素因数の和:1334

約数の個数: 64

約数和(自身を含む): 267711865344

約数和(自身を除く): 57891654659

約数列:

[1, 5, 37, 61, 71, 185, 305, 307, 355, 853, 1535, 2257, 2627, 4265, 4331, 11285, 11359, 13135, 18727, 21655, 21797, 31561, 52033, 56795, 60563, 93635, 108985, 157805, 160247, 260165, 261871, 302815, 692899, 801235, 806489, 1309355, 1329617, 1925221, 2240831, 3464495, 3694343, 4032445, 6648085, 9626105, 9689227, 11204155, 15974131, 18471715, 18592841, 48446135, 49195829, 79870655, 92964205, 136690691, 245979145, 591042847, 683453455, 687935117, 1134163301, 2955214235, 3439675585, 5670816505, 41964042137, 209820210685]

約数ペア:

[(1, 209820210685), (5, 41964042137), (37, 5670816505), (61, 3439675585), (71, 2955214235), (185, 1134163301), (305, 687935117), (307, 683453455), (355, 591042847), (853, 245979145), (1535, 136690691), (2257, 92964205), (2627, 79870655), (4265, 49195829), (4331, 48446135), (11285, 18592841), (11359, 18471715), (13135, 15974131), (18727, 11204155), (21655, 9689227), (21797, 9626105), (31561, 6648085), (52033, 4032445), (56795, 3694343), (60563, 3464495), (93635, 2240831), (108985, 1925221), (157805, 1329617), (160247, 1309355), (260165, 806489), (261871, 801235), (302815, 692899)]