440209128

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 1178997120

約数和(自身を除く): 738787992

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 41, 74, 82, 107, 111, 113, 123, 148, 164, 214, 222, 226, 246, 296, 321, 328, 339, 428, 444, 452, 492, 642, 678, 856, 888, 904, 984, 1284, 1356, 1517, 2568, 2712, 3034, 3959, 4181, 4387, 4551, 4633, 6068, 7918, 8362, 8774, 9102, 9266, 11877, 12091, 12136, 12543, 13161, 13899, 15836, 16724, 17548, 18204, 18532, 23754, 24182, 25086, 26322, 27798, 31672, 33448, 35096, 36273, 36408, 37064, 47508, 48364, 50172, 52644, 55596, 72546, 95016, 96728, 100344, 105288, 111192, 145092, 162319, 171421, 290184, 324638, 342842, 447367, 486957, 495731, 514263, 649276, 685684, 894734, 973914, 991462, 1028526, 1298552, 1342101, 1371368, 1487193, 1789468, 1947828, 1982924, 2057052, 2684202, 2974386, 3578936, 3895656, 3965848, 4114104, 5368404, 5948772, 10736808, 11897544, 18342047, 36684094, 55026141, 73368188, 110052282, 146736376, 220104564, 440209128]

約数ペア:

[(1, 440209128), (2, 220104564), (3, 146736376), (4, 110052282), (6, 73368188), (8, 55026141), (12, 36684094), (24, 18342047), (37, 11897544), (41, 10736808), (74, 5948772), (82, 5368404), (107, 4114104), (111, 3965848), (113, 3895656), (123, 3578936), (148, 2974386), (164, 2684202), (214, 2057052), (222, 1982924), (226, 1947828), (246, 1789468), (296, 1487193), (321, 1371368), (328, 1342101), (339, 1298552), (428, 1028526), (444, 991462), (452, 973914), (492, 894734), (642, 685684), (678, 649276), (856, 514263), (888, 495731), (904, 486957), (984, 447367), (1284, 342842), (1356, 324638), (1517, 290184), (2568, 171421), (2712, 162319), (3034, 145092), (3959, 111192), (4181, 105288), (4387, 100344), (4551, 96728), (4633, 95016), (6068, 72546), (7918, 55596), (8362, 52644), (8774, 50172), (9102, 48364), (9266, 47508), (11877, 37064), (12091, 36408), (12136, 36273), (12543, 35096), (13161, 33448), (13899, 31672), (15836, 27798), (16724, 26322), (17548, 25086), (18204, 24182), (18532, 23754)]