988100320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{17107}}^1$

素因数の和:17160

約数の個数: 72

約数和(自身を含む): 2463859944

約数和(自身を除く): 1475759624

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 1444, 1520, 1805, 2888, 3040, 3610, 5776, 7220, 11552, 14440, 17107, 28880, 34214, 57760, 68428, 85535, 136856, 171070, 273712, 325033, 342140, 547424, 650066, 684280, 1300132, 1368560, 1625165, 2600264, 2737120, 3250330, 5200528, 6175627, 6500660, 10401056, 12351254, 13001320, 24702508, 26002640, 30878135, 49405016, 52005280, 61756270, 98810032, 123512540, 197620064, 247025080, 494050160, 988100320]

約数ペア:

[(1, 988100320), (2, 494050160), (4, 247025080), (5, 197620064), (8, 123512540), (10, 98810032), (16, 61756270), (19, 52005280), (20, 49405016), (32, 30878135), (38, 26002640), (40, 24702508), (76, 13001320), (80, 12351254), (95, 10401056), (152, 6500660), (160, 6175627), (190, 5200528), (304, 3250330), (361, 2737120), (380, 2600264), (608, 1625165), (722, 1368560), (760, 1300132), (1444, 684280), (1520, 650066), (1805, 547424), (2888, 342140), (3040, 325033), (3610, 273712), (5776, 171070), (7220, 136856), (11552, 85535), (14440, 68428), (17107, 57760), (28880, 34214)]