287447020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{6203}}^1$

素因数の和:6550

約数の個数: 48

約数和(自身を含む): 692068608

約数和(自身を除く): 404621588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 662, 1324, 1655, 2317, 3310, 4634, 6203, 6620, 9268, 11585, 12406, 23170, 24812, 31015, 43421, 46340, 62030, 86842, 124060, 173684, 217105, 434210, 868420, 2053193, 4106386, 8212772, 10265965, 14372351, 20531930, 28744702, 41063860, 57489404, 71861755, 143723510, 287447020]

約数ペア:

[(1, 287447020), (2, 143723510), (4, 71861755), (5, 57489404), (7, 41063860), (10, 28744702), (14, 20531930), (20, 14372351), (28, 10265965), (35, 8212772), (70, 4106386), (140, 2053193), (331, 868420), (662, 434210), (1324, 217105), (1655, 173684), (2317, 124060), (3310, 86842), (4634, 62030), (6203, 46340), (6620, 43421), (9268, 31015), (11585, 24812), (12406, 23170)]