628789040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37607}}^1$

素因数の和:37650

約数の個数: 80

約数和(自身を含む): 1678821120

約数和(自身を除く): 1050032080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 37607, 75214, 150428, 188035, 300856, 376070, 413677, 601712, 714533, 752140, 827354, 1429066, 1504280, 1654708, 2068385, 2858132, 3008560, 3309416, 3572665, 4136770, 5716264, 6618832, 7145330, 7859863, 8273540, 11432528, 14290660, 15719726, 16547080, 28581320, 31439452, 33094160, 39299315, 57162640, 62878904, 78598630, 125757808, 157197260, 314394520, 628789040]

約数ペア:

[(1, 628789040), (2, 314394520), (4, 157197260), (5, 125757808), (8, 78598630), (10, 62878904), (11, 57162640), (16, 39299315), (19, 33094160), (20, 31439452), (22, 28581320), (38, 16547080), (40, 15719726), (44, 14290660), (55, 11432528), (76, 8273540), (80, 7859863), (88, 7145330), (95, 6618832), (110, 5716264), (152, 4136770), (176, 3572665), (190, 3309416), (209, 3008560), (220, 2858132), (304, 2068385), (380, 1654708), (418, 1504280), (440, 1429066), (760, 827354), (836, 752140), (880, 714533), (1045, 601712), (1520, 413677), (1672, 376070), (2090, 300856), (3344, 188035), (4180, 150428), (8360, 75214), (16720, 37607)]