87857910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{139457}}^1$

素因数の和:139477

約数の個数: 48

約数和(自身を含む): 261065376

約数和(自身を除く): 173207466

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 139457, 278914, 418371, 697285, 836742, 976199, 1255113, 1394570, 1952398, 2091855, 2510226, 2928597, 4183710, 4880995, 5857194, 6275565, 8785791, 9761990, 12551130, 14642985, 17571582, 29285970, 43928955, 87857910]

約数ペア:

[(1, 87857910), (2, 43928955), (3, 29285970), (5, 17571582), (6, 14642985), (7, 12551130), (9, 9761990), (10, 8785791), (14, 6275565), (15, 5857194), (18, 4880995), (21, 4183710), (30, 2928597), (35, 2510226), (42, 2091855), (45, 1952398), (63, 1394570), (70, 1255113), (90, 976199), (105, 836742), (126, 697285), (210, 418371), (315, 278914), (630, 139457)]