140042920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1789}}^1$

素因数の和:1922

約数の個数: 64

約数和(自身を含む): 335088000

約数和(自身を除く): 195045080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 380, 412, 515, 760, 824, 1030, 1789, 1957, 2060, 3578, 3914, 4120, 7156, 7828, 8945, 9785, 14312, 15656, 17890, 19570, 33991, 35780, 39140, 67982, 71560, 78280, 135964, 169955, 184267, 271928, 339910, 368534, 679820, 737068, 921335, 1359640, 1474136, 1842670, 3501073, 3685340, 7002146, 7370680, 14004292, 17505365, 28008584, 35010730, 70021460, 140042920]

約数ペア:

[(1, 140042920), (2, 70021460), (4, 35010730), (5, 28008584), (8, 17505365), (10, 14004292), (19, 7370680), (20, 7002146), (38, 3685340), (40, 3501073), (76, 1842670), (95, 1474136), (103, 1359640), (152, 921335), (190, 737068), (206, 679820), (380, 368534), (412, 339910), (515, 271928), (760, 184267), (824, 169955), (1030, 135964), (1789, 78280), (1957, 71560), (2060, 67982), (3578, 39140), (3914, 35780), (4120, 33991), (7156, 19570), (7828, 17890), (8945, 15656), (9785, 14312)]