245844640

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25189}}^1$

素因数の和:25265

約数の個数: 48

約数和(自身を含む): 590352840

約数和(自身を除く): 344508200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 25189, 50378, 100756, 125945, 201512, 251890, 403024, 503780, 806048, 1007560, 1536529, 2015120, 3073058, 4030240, 6146116, 7682645, 12292232, 15365290, 24584464, 30730580, 49168928, 61461160, 122922320, 245844640]

約数ペア:

[(1, 245844640), (2, 122922320), (4, 61461160), (5, 49168928), (8, 30730580), (10, 24584464), (16, 15365290), (20, 12292232), (32, 7682645), (40, 6146116), (61, 4030240), (80, 3073058), (122, 2015120), (160, 1536529), (244, 1007560), (305, 806048), (488, 503780), (610, 403024), (976, 251890), (1220, 201512), (1952, 125945), (2440, 100756), (4880, 50378), (9760, 25189)]