440883612

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{30389}}^1$

素因数の和:30443

約数の個数: 72

約数和(自身を含む): 1238939520

約数和(自身を除く): 798055908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 30389, 60778, 91167, 121556, 182334, 273501, 364668, 395057, 547002, 790114, 942059, 1094004, 1185171, 1580228, 1884118, 2370342, 2826177, 3555513, 3768236, 4740684, 5652354, 7111026, 8478531, 11304708, 12246767, 14222052, 16957062, 24493534, 33914124, 36740301, 48987068, 73480602, 110220903, 146961204, 220441806, 440883612]

約数ペア:

[(1, 440883612), (2, 220441806), (3, 146961204), (4, 110220903), (6, 73480602), (9, 48987068), (12, 36740301), (13, 33914124), (18, 24493534), (26, 16957062), (31, 14222052), (36, 12246767), (39, 11304708), (52, 8478531), (62, 7111026), (78, 5652354), (93, 4740684), (117, 3768236), (124, 3555513), (156, 2826177), (186, 2370342), (234, 1884118), (279, 1580228), (372, 1185171), (403, 1094004), (468, 942059), (558, 790114), (806, 547002), (1116, 395057), (1209, 364668), (1612, 273501), (2418, 182334), (3627, 121556), (4836, 91167), (7254, 60778), (14508, 30389)]