157056280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1049}}^1$

素因数の和:1276

約数の個数: 64

約数和(自身を含む): 374220000

約数和(自身を除く): 217163720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 197, 380, 394, 760, 788, 985, 1049, 1576, 1970, 2098, 3743, 3940, 4196, 5245, 7486, 7880, 8392, 10490, 14972, 18715, 19931, 20980, 29944, 37430, 39862, 41960, 74860, 79724, 99655, 149720, 159448, 199310, 206653, 398620, 413306, 797240, 826612, 1033265, 1653224, 2066530, 3926407, 4133060, 7852814, 8266120, 15705628, 19632035, 31411256, 39264070, 78528140, 157056280]

約数ペア:

[(1, 157056280), (2, 78528140), (4, 39264070), (5, 31411256), (8, 19632035), (10, 15705628), (19, 8266120), (20, 7852814), (38, 4133060), (40, 3926407), (76, 2066530), (95, 1653224), (152, 1033265), (190, 826612), (197, 797240), (380, 413306), (394, 398620), (760, 206653), (788, 199310), (985, 159448), (1049, 149720), (1576, 99655), (1970, 79724), (2098, 74860), (3743, 41960), (3940, 39862), (4196, 37430), (5245, 29944), (7486, 20980), (7880, 19931), (8392, 18715), (10490, 14972)]