426504020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{12611}}^1$

素因数の和:12728

約数の個数: 48

約数和(自身を含む): 953467200

約数和(自身を除く): 526963180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 12611, 16910, 25222, 33820, 50444, 63055, 126110, 239609, 252220, 479218, 958436, 1122379, 1198045, 2244758, 2396090, 4489516, 4792180, 5611895, 11223790, 21325201, 22447580, 42650402, 85300804, 106626005, 213252010, 426504020]

約数ペア:

[(1, 426504020), (2, 213252010), (4, 106626005), (5, 85300804), (10, 42650402), (19, 22447580), (20, 21325201), (38, 11223790), (76, 5611895), (89, 4792180), (95, 4489516), (178, 2396090), (190, 2244758), (356, 1198045), (380, 1122379), (445, 958436), (890, 479218), (1691, 252220), (1780, 239609), (3382, 126110), (6764, 63055), (8455, 50444), (12611, 33820), (16910, 25222)]