212172012

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 616412160

約数和(自身を除く): 404240148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 107, 114, 117, 156, 171, 214, 223, 228, 234, 247, 321, 342, 428, 446, 468, 494, 642, 669, 684, 741, 892, 963, 988, 1284, 1338, 1391, 1482, 1926, 2007, 2033, 2223, 2676, 2782, 2899, 2964, 3852, 4014, 4066, 4173, 4237, 4446, 5564, 5798, 6099, 8028, 8132, 8346, 8474, 8697, 8892, 11596, 12198, 12519, 12711, 16692, 16948, 17394, 18297, 23861, 24396, 25038, 25422, 26091, 26429, 34788, 36594, 38133, 47722, 50076, 50844, 52182, 52858, 55081, 71583, 73188, 76266, 79287, 95444, 104364, 105716, 110162, 143166, 152532, 158574, 165243, 214749, 220324, 237861, 286332, 310193, 317148, 330486, 429498, 453359, 475722, 495729, 620386, 660972, 858996, 906718, 930579, 951444, 991458, 1240772, 1360077, 1813436, 1861158, 1982916, 2720154, 2791737, 3722316, 4080231, 5440308, 5583474, 5893667, 8160462, 11166948, 11787334, 16320924, 17681001, 23574668, 35362002, 53043003, 70724004, 106086006, 212172012]

約数ペア:

[(1, 212172012), (2, 106086006), (3, 70724004), (4, 53043003), (6, 35362002), (9, 23574668), (12, 17681001), (13, 16320924), (18, 11787334), (19, 11166948), (26, 8160462), (36, 5893667), (38, 5583474), (39, 5440308), (52, 4080231), (57, 3722316), (76, 2791737), (78, 2720154), (107, 1982916), (114, 1861158), (117, 1813436), (156, 1360077), (171, 1240772), (214, 991458), (223, 951444), (228, 930579), (234, 906718), (247, 858996), (321, 660972), (342, 620386), (428, 495729), (446, 475722), (468, 453359), (494, 429498), (642, 330486), (669, 317148), (684, 310193), (741, 286332), (892, 237861), (963, 220324), (988, 214749), (1284, 165243), (1338, 158574), (1391, 152532), (1482, 143166), (1926, 110162), (2007, 105716), (2033, 104364), (2223, 95444), (2676, 79287), (2782, 76266), (2899, 73188), (2964, 71583), (3852, 55081), (4014, 52858), (4066, 52182), (4173, 50844), (4237, 50076), (4446, 47722), (5564, 38133), (5798, 36594), (6099, 34788), (8028, 26429), (8132, 26091), (8346, 25422), (8474, 25038), (8697, 24396), (8892, 23861), (11596, 18297), (12198, 17394), (12519, 16948), (12711, 16692)]