30438890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1487}}^1$

素因数の和:1606

約数の個数: 32

約数和(自身を含む): 57853440

約数和(自身を除く): 27414550

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 1487, 2047, 2974, 4094, 7435, 10235, 14870, 20470, 34201, 68402, 132343, 171005, 264686, 342010, 661715, 1323430, 3043889, 6087778, 15219445, 30438890]

約数ペア:

[(1, 30438890), (2, 15219445), (5, 6087778), (10, 3043889), (23, 1323430), (46, 661715), (89, 342010), (115, 264686), (178, 171005), (230, 132343), (445, 68402), (890, 34201), (1487, 20470), (2047, 14870), (2974, 10235), (4094, 7435)]