404157968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{1747}}^1$

素因数の和:2535

約数の個数: 40

約数和(自身を含む): 825825120

約数和(自身を除く): 421667152

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 761, 1522, 1747, 3044, 3494, 6088, 6988, 12176, 13976, 14459, 27952, 28918, 33193, 57836, 66386, 115672, 132772, 231344, 265544, 531088, 1329467, 2658934, 5317868, 10635736, 21271472, 25259873, 50519746, 101039492, 202078984, 404157968]

約数ペア:

[(1, 404157968), (2, 202078984), (4, 101039492), (8, 50519746), (16, 25259873), (19, 21271472), (38, 10635736), (76, 5317868), (152, 2658934), (304, 1329467), (761, 531088), (1522, 265544), (1747, 231344), (3044, 132772), (3494, 115672), (6088, 66386), (6988, 57836), (12176, 33193), (13976, 28918), (14459, 27952)]