30143728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{433}}^1$

素因数の和:689

約数の個数: 40

約数和(自身を含む): 61888400

約数和(自身を除く): 31744672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 229, 304, 433, 458, 866, 916, 1732, 1832, 3464, 3664, 4351, 6928, 8227, 8702, 16454, 17404, 32908, 34808, 65816, 69616, 99157, 131632, 198314, 396628, 793256, 1586512, 1883983, 3767966, 7535932, 15071864, 30143728]

約数ペア:

[(1, 30143728), (2, 15071864), (4, 7535932), (8, 3767966), (16, 1883983), (19, 1586512), (38, 793256), (76, 396628), (152, 198314), (229, 131632), (304, 99157), (433, 69616), (458, 65816), (866, 34808), (916, 32908), (1732, 17404), (1832, 16454), (3464, 8702), (3664, 8227), (4351, 6928)]