267704680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2161}}^1$

素因数の和:2354

約数の個数: 64

約数和(自身を含む): 638222400

約数和(自身を除く): 370517720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 326, 380, 652, 760, 815, 1304, 1630, 2161, 3097, 3260, 4322, 6194, 6520, 8644, 10805, 12388, 15485, 17288, 21610, 24776, 30970, 41059, 43220, 61940, 82118, 86440, 123880, 164236, 205295, 328472, 352243, 410590, 704486, 821180, 1408972, 1642360, 1761215, 2817944, 3522430, 6692617, 7044860, 13385234, 14089720, 26770468, 33463085, 53540936, 66926170, 133852340, 267704680]

約数ペア:

[(1, 267704680), (2, 133852340), (4, 66926170), (5, 53540936), (8, 33463085), (10, 26770468), (19, 14089720), (20, 13385234), (38, 7044860), (40, 6692617), (76, 3522430), (95, 2817944), (152, 1761215), (163, 1642360), (190, 1408972), (326, 821180), (380, 704486), (652, 410590), (760, 352243), (815, 328472), (1304, 205295), (1630, 164236), (2161, 123880), (3097, 86440), (3260, 82118), (4322, 61940), (6194, 43220), (6520, 41059), (8644, 30970), (10805, 24776), (12388, 21610), (15485, 17288)]