501278320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1871}}^1$

素因数の和:2098

約数の個数: 80

約数和(自身を含む): 1240956288

約数和(自身を除く): 739677968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 197, 272, 340, 394, 680, 788, 985, 1360, 1576, 1871, 1970, 3152, 3349, 3742, 3940, 6698, 7484, 7880, 9355, 13396, 14968, 15760, 16745, 18710, 26792, 29936, 31807, 33490, 37420, 53584, 63614, 66980, 74840, 127228, 133960, 149680, 159035, 254456, 267920, 318070, 368587, 508912, 636140, 737174, 1272280, 1474348, 1842935, 2544560, 2948696, 3685870, 5897392, 6265979, 7371740, 12531958, 14743480, 25063916, 29486960, 31329895, 50127832, 62659790, 100255664, 125319580, 250639160, 501278320]

約数ペア:

[(1, 501278320), (2, 250639160), (4, 125319580), (5, 100255664), (8, 62659790), (10, 50127832), (16, 31329895), (17, 29486960), (20, 25063916), (34, 14743480), (40, 12531958), (68, 7371740), (80, 6265979), (85, 5897392), (136, 3685870), (170, 2948696), (197, 2544560), (272, 1842935), (340, 1474348), (394, 1272280), (680, 737174), (788, 636140), (985, 508912), (1360, 368587), (1576, 318070), (1871, 267920), (1970, 254456), (3152, 159035), (3349, 149680), (3742, 133960), (3940, 127228), (6698, 74840), (7484, 66980), (7880, 63614), (9355, 53584), (13396, 37420), (14968, 33490), (15760, 31807), (16745, 29936), (18710, 26792)]