291215052

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 820834560

約数和(自身を除く): 529619508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 107, 114, 138, 171, 173, 207, 214, 228, 276, 321, 342, 346, 414, 428, 437, 519, 642, 684, 692, 828, 874, 963, 1038, 1284, 1311, 1557, 1748, 1926, 2033, 2076, 2461, 2622, 3114, 3287, 3852, 3933, 3979, 4066, 4922, 5244, 6099, 6228, 6574, 7383, 7866, 7958, 8132, 9844, 9861, 11937, 12198, 13148, 14766, 15732, 15916, 18297, 18511, 19722, 22149, 23874, 24396, 29532, 29583, 35811, 36594, 37022, 39444, 44298, 46759, 47748, 55533, 59166, 71622, 73188, 74044, 75601, 88596, 93518, 111066, 118332, 140277, 143244, 151202, 166599, 187036, 222132, 226803, 280554, 302404, 333198, 351709, 420831, 425753, 453606, 561108, 666396, 680409, 703418, 841662, 851506, 907212, 1055127, 1277259, 1360818, 1406836, 1683324, 1703012, 2110254, 2554518, 2721636, 3165381, 3831777, 4220508, 5109036, 6330762, 7663554, 8089307, 12661524, 15327108, 16178614, 24267921, 32357228, 48535842, 72803763, 97071684, 145607526, 291215052]

約数ペア:

[(1, 291215052), (2, 145607526), (3, 97071684), (4, 72803763), (6, 48535842), (9, 32357228), (12, 24267921), (18, 16178614), (19, 15327108), (23, 12661524), (36, 8089307), (38, 7663554), (46, 6330762), (57, 5109036), (69, 4220508), (76, 3831777), (92, 3165381), (107, 2721636), (114, 2554518), (138, 2110254), (171, 1703012), (173, 1683324), (207, 1406836), (214, 1360818), (228, 1277259), (276, 1055127), (321, 907212), (342, 851506), (346, 841662), (414, 703418), (428, 680409), (437, 666396), (519, 561108), (642, 453606), (684, 425753), (692, 420831), (828, 351709), (874, 333198), (963, 302404), (1038, 280554), (1284, 226803), (1311, 222132), (1557, 187036), (1748, 166599), (1926, 151202), (2033, 143244), (2076, 140277), (2461, 118332), (2622, 111066), (3114, 93518), (3287, 88596), (3852, 75601), (3933, 74044), (3979, 73188), (4066, 71622), (4922, 59166), (5244, 55533), (6099, 47748), (6228, 46759), (6574, 44298), (7383, 39444), (7866, 37022), (7958, 36594), (8132, 35811), (9844, 29583), (9861, 29532), (11937, 24396), (12198, 23874), (13148, 22149), (14766, 19722), (15732, 18511), (15916, 18297)]