390691450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{14827}}^1$

素因数の和:14887

約数の個数: 48

約数和(自身を含む): 794306304

約数和(自身を除く): 403614854

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 50, 62, 85, 155, 170, 310, 425, 527, 775, 850, 1054, 1550, 2635, 5270, 13175, 14827, 26350, 29654, 74135, 148270, 252059, 370675, 459637, 504118, 741350, 919274, 1260295, 2298185, 2520590, 4596370, 6301475, 7813829, 11490925, 12602950, 15627658, 22981850, 39069145, 78138290, 195345725, 390691450]

約数ペア:

[(1, 390691450), (2, 195345725), (5, 78138290), (10, 39069145), (17, 22981850), (25, 15627658), (31, 12602950), (34, 11490925), (50, 7813829), (62, 6301475), (85, 4596370), (155, 2520590), (170, 2298185), (310, 1260295), (425, 919274), (527, 741350), (775, 504118), (850, 459637), (1054, 370675), (1550, 252059), (2635, 148270), (5270, 74135), (13175, 29654), (14827, 26350)]