988891250

素因数分解:

$2^1\times 5^4\times {\mathrm{113}}^1\times {\mathrm{7001}}^1$

素因数の和:7136

約数の個数: 40

約数和(自身を含む): 1870248204

約数和(自身を除く): 881356954

約数列:

[1, 2, 5, 10, 25, 50, 113, 125, 226, 250, 565, 625, 1130, 1250, 2825, 5650, 7001, 14002, 14125, 28250, 35005, 70010, 70625, 141250, 175025, 350050, 791113, 875125, 1582226, 1750250, 3955565, 4375625, 7911130, 8751250, 19777825, 39555650, 98889125, 197778250, 494445625, 988891250]

約数ペア:

[(1, 988891250), (2, 494445625), (5, 197778250), (10, 98889125), (25, 39555650), (50, 19777825), (113, 8751250), (125, 7911130), (226, 4375625), (250, 3955565), (565, 1750250), (625, 1582226), (1130, 875125), (1250, 791113), (2825, 350050), (5650, 175025), (7001, 141250), (14002, 70625), (14125, 70010), (28250, 35005)]