9920921490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{251099}}^1$

素因数の和:251551

約数の個数: 48

約数和(自身を含む): 25853256000

約数和(自身を除く): 15932334510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 439, 878, 1317, 2195, 2634, 3951, 4390, 6585, 7902, 13170, 19755, 39510, 251099, 502198, 753297, 1255495, 1506594, 2259891, 2510990, 3766485, 4519782, 7532970, 11299455, 22598910, 110232461, 220464922, 330697383, 551162305, 661394766, 992092149, 1102324610, 1653486915, 1984184298, 3306973830, 4960460745, 9920921490]

約数ペア:

[(1, 9920921490), (2, 4960460745), (3, 3306973830), (5, 1984184298), (6, 1653486915), (9, 1102324610), (10, 992092149), (15, 661394766), (18, 551162305), (30, 330697383), (45, 220464922), (90, 110232461), (439, 22598910), (878, 11299455), (1317, 7532970), (2195, 4519782), (2634, 3766485), (3951, 2510990), (4390, 2259891), (6585, 1506594), (7902, 1255495), (13170, 753297), (19755, 502198), (39510, 251099)]