388206800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{31307}}^1$

素因数の和:31356

約数の個数: 60

約数和(自身を含む): 962783616

約数和(自身を除く): 574576816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 31307, 62614, 125228, 156535, 250456, 313070, 500912, 626140, 782675, 970517, 1252280, 1565350, 1941034, 2504560, 3130700, 3882068, 4852585, 6261400, 7764136, 9705170, 12522800, 15528272, 19410340, 24262925, 38820680, 48525850, 77641360, 97051700, 194103400, 388206800]

約数ペア:

[(1, 388206800), (2, 194103400), (4, 97051700), (5, 77641360), (8, 48525850), (10, 38820680), (16, 24262925), (20, 19410340), (25, 15528272), (31, 12522800), (40, 9705170), (50, 7764136), (62, 6261400), (80, 4852585), (100, 3882068), (124, 3130700), (155, 2504560), (200, 1941034), (248, 1565350), (310, 1252280), (400, 970517), (496, 782675), (620, 626140), (775, 500912), (1240, 313070), (1550, 250456), (2480, 156535), (3100, 125228), (6200, 62614), (12400, 31307)]