2891550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 7378992

約数和(自身を除く): 4487442

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 150, 185, 222, 370, 521, 555, 925, 1042, 1110, 1563, 1850, 2605, 2775, 3126, 5210, 5550, 7815, 13025, 15630, 19277, 26050, 38554, 39075, 57831, 78150, 96385, 115662, 192770, 289155, 481925, 578310, 963850, 1445775, 2891550]

約数ペア:

[(1, 2891550), (2, 1445775), (3, 963850), (5, 578310), (6, 481925), (10, 289155), (15, 192770), (25, 115662), (30, 96385), (37, 78150), (50, 57831), (74, 39075), (75, 38554), (111, 26050), (150, 19277), (185, 15630), (222, 13025), (370, 7815), (521, 5550), (555, 5210), (925, 3126), (1042, 2775), (1110, 2605), (1563, 1850)]