450080

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 1111320

約数和(自身を除く): 661240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 97, 116, 145, 160, 194, 232, 290, 388, 464, 485, 580, 776, 928, 970, 1160, 1552, 1940, 2320, 2813, 3104, 3880, 4640, 5626, 7760, 11252, 14065, 15520, 22504, 28130, 45008, 56260, 90016, 112520, 225040, 450080]

約数ペア:

[(1, 450080), (2, 225040), (4, 112520), (5, 90016), (8, 56260), (10, 45008), (16, 28130), (20, 22504), (29, 15520), (32, 14065), (40, 11252), (58, 7760), (80, 5626), (97, 4640), (116, 3880), (145, 3104), (160, 2813), (194, 2320), (232, 1940), (290, 1552), (388, 1160), (464, 970), (485, 928), (580, 776)]