420269475

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1409}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 719641440

約数和(自身を除く): 299371965

約数列:

[1, 3, 5, 15, 25, 41, 75, 97, 123, 205, 291, 485, 615, 1025, 1409, 1455, 2425, 3075, 3977, 4227, 7045, 7275, 11931, 19885, 21135, 35225, 57769, 59655, 99425, 105675, 136673, 173307, 288845, 298275, 410019, 683365, 866535, 1444225, 2050095, 3416825, 4332675, 5603593, 10250475, 16810779, 28017965, 84053895, 140089825, 420269475]

約数ペア:

[(1, 420269475), (3, 140089825), (5, 84053895), (15, 28017965), (25, 16810779), (41, 10250475), (75, 5603593), (97, 4332675), (123, 3416825), (205, 2050095), (291, 1444225), (485, 866535), (615, 683365), (1025, 410019), (1409, 298275), (1455, 288845), (2425, 173307), (3075, 136673), (3977, 105675), (4227, 99425), (7045, 59655), (7275, 57769), (11931, 35225), (19885, 21135)]