198908880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{828787}}^1$

素因数の和:828803

約数の個数: 40

約数和(自身を含む): 616618272

約数和(自身を除く): 417709392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 828787, 1657574, 2486361, 3315148, 4143935, 4972722, 6630296, 8287870, 9945444, 12431805, 13260592, 16575740, 19890888, 24863610, 33151480, 39781776, 49727220, 66302960, 99454440, 198908880]

約数ペア:

[(1, 198908880), (2, 99454440), (3, 66302960), (4, 49727220), (5, 39781776), (6, 33151480), (8, 24863610), (10, 19890888), (12, 16575740), (15, 13260592), (16, 12431805), (20, 9945444), (24, 8287870), (30, 6630296), (40, 4972722), (48, 4143935), (60, 3315148), (80, 2486361), (120, 1657574), (240, 828787)]