1280473340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{3593}}^1$

素因数の和:3878

約数の個数: 48

約数和(自身を含む): 2731555008

約数和(自身を除く): 1451081668

約数列:

[1, 2, 4, 5, 10, 20, 103, 173, 206, 346, 412, 515, 692, 865, 1030, 1730, 2060, 3460, 3593, 7186, 14372, 17819, 17965, 35638, 35930, 71276, 71860, 89095, 178190, 356380, 370079, 621589, 740158, 1243178, 1480316, 1850395, 2486356, 3107945, 3700790, 6215890, 7401580, 12431780, 64023667, 128047334, 256094668, 320118335, 640236670, 1280473340]

約数ペア:

[(1, 1280473340), (2, 640236670), (4, 320118335), (5, 256094668), (10, 128047334), (20, 64023667), (103, 12431780), (173, 7401580), (206, 6215890), (346, 3700790), (412, 3107945), (515, 2486356), (692, 1850395), (865, 1480316), (1030, 1243178), (1730, 740158), (2060, 621589), (3460, 370079), (3593, 356380), (7186, 178190), (14372, 89095), (17819, 71860), (17965, 71276), (35638, 35930)]