427490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 912384

約数和(自身を除く): 484894

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 197, 217, 310, 394, 434, 985, 1085, 1379, 1970, 2170, 2758, 6107, 6895, 12214, 13790, 30535, 42749, 61070, 85498, 213745, 427490]

約数ペア:

[(1, 427490), (2, 213745), (5, 85498), (7, 61070), (10, 42749), (14, 30535), (31, 13790), (35, 12214), (62, 6895), (70, 6107), (155, 2758), (197, 2170), (217, 1970), (310, 1379), (394, 1085), (434, 985)]