4498540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 10178784

約数和(自身を除く): 5680244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 131, 170, 202, 262, 340, 404, 505, 524, 655, 1010, 1310, 1717, 2020, 2227, 2620, 3434, 4454, 6868, 8585, 8908, 11135, 13231, 17170, 22270, 26462, 34340, 44540, 52924, 66155, 132310, 224927, 264620, 449854, 899708, 1124635, 2249270, 4498540]

約数ペア:

[(1, 4498540), (2, 2249270), (4, 1124635), (5, 899708), (10, 449854), (17, 264620), (20, 224927), (34, 132310), (68, 66155), (85, 52924), (101, 44540), (131, 34340), (170, 26462), (202, 22270), (262, 17170), (340, 13231), (404, 11135), (505, 8908), (524, 8585), (655, 6868), (1010, 4454), (1310, 3434), (1717, 2620), (2020, 2227)]