102990640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67757}}^1$

素因数の和:67789

約数の個数: 40

約数和(自身を含む): 252059760

約数和(自身を除く): 149069120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 67757, 135514, 271028, 338785, 542056, 677570, 1084112, 1287383, 1355140, 2574766, 2710280, 5149532, 5420560, 6436915, 10299064, 12873830, 20598128, 25747660, 51495320, 102990640]

約数ペア:

[(1, 102990640), (2, 51495320), (4, 25747660), (5, 20598128), (8, 12873830), (10, 10299064), (16, 6436915), (19, 5420560), (20, 5149532), (38, 2710280), (40, 2574766), (76, 1355140), (80, 1287383), (95, 1084112), (152, 677570), (190, 542056), (304, 338785), (380, 271028), (760, 135514), (1520, 67757)]