1284391690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{38011}}^1$

素因数の和:38158

約数の個数: 32

約数和(自身を含む): 2408440320

約数和(自身を除く): 1124048630

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 545, 1090, 3379, 6758, 16895, 33790, 38011, 76022, 190055, 380110, 1178341, 2356682, 4143199, 5891705, 8286398, 11783410, 20715995, 41431990, 128439169, 256878338, 642195845, 1284391690]

約数ペア:

[(1, 1284391690), (2, 642195845), (5, 256878338), (10, 128439169), (31, 41431990), (62, 20715995), (109, 11783410), (155, 8286398), (218, 5891705), (310, 4143199), (545, 2356682), (1090, 1178341), (3379, 380110), (6758, 190055), (16895, 76022), (33790, 38011)]