1330390420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{126223}}^1$

素因数の和:126280

約数の個数: 48

約数和(自身を含む): 3053611008

約数和(自身を除く): 1723220588

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 126223, 252446, 504892, 631115, 1262230, 2145791, 2524460, 3912913, 4291582, 7825826, 8583164, 10728955, 15651652, 19564565, 21457910, 39129130, 42915820, 66519521, 78258260, 133039042, 266078084, 332597605, 665195210, 1330390420]

約数ペア:

[(1, 1330390420), (2, 665195210), (4, 332597605), (5, 266078084), (10, 133039042), (17, 78258260), (20, 66519521), (31, 42915820), (34, 39129130), (62, 21457910), (68, 19564565), (85, 15651652), (124, 10728955), (155, 8583164), (170, 7825826), (310, 4291582), (340, 3912913), (527, 2524460), (620, 2145791), (1054, 1262230), (2108, 631115), (2635, 504892), (5270, 252446), (10540, 126223)]