1994769112

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:545

約数の個数: 128

約数和(自身を含む): 4649011200

約数和(自身を除く): 2654242088

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 47, 56, 76, 94, 113, 133, 152, 188, 226, 266, 329, 353, 376, 452, 532, 658, 706, 791, 893, 904, 1064, 1316, 1412, 1582, 1786, 2147, 2471, 2632, 2824, 3164, 3572, 4294, 4942, 5311, 6251, 6328, 6707, 7144, 8588, 9884, 10622, 12502, 13414, 15029, 16591, 17176, 19768, 21244, 25004, 26828, 30058, 33182, 37177, 39889, 42488, 46949, 50008, 53656, 60116, 66364, 74354, 79778, 93898, 100909, 116137, 120232, 132728, 148708, 159556, 187796, 201818, 232274, 279223, 297416, 315229, 319112, 375592, 403636, 464548, 558446, 630458, 706363, 757891, 807272, 929096, 1116892, 1260916, 1412726, 1515782, 1874783, 2206603, 2233784, 2521832, 2825452, 3031564, 3749566, 4413206, 5305237, 5650904, 6063128, 7499132, 8826412, 10610474, 13123481, 14998264, 17652824, 21220948, 26246962, 35620877, 42441896, 52493924, 71241754, 104987848, 142483508, 249346139, 284967016, 498692278, 997384556, 1994769112]

約数ペア:

[(1, 1994769112), (2, 997384556), (4, 498692278), (7, 284967016), (8, 249346139), (14, 142483508), (19, 104987848), (28, 71241754), (38, 52493924), (47, 42441896), (56, 35620877), (76, 26246962), (94, 21220948), (113, 17652824), (133, 14998264), (152, 13123481), (188, 10610474), (226, 8826412), (266, 7499132), (329, 6063128), (353, 5650904), (376, 5305237), (452, 4413206), (532, 3749566), (658, 3031564), (706, 2825452), (791, 2521832), (893, 2233784), (904, 2206603), (1064, 1874783), (1316, 1515782), (1412, 1412726), (1582, 1260916), (1786, 1116892), (2147, 929096), (2471, 807272), (2632, 757891), (2824, 706363), (3164, 630458), (3572, 558446), (4294, 464548), (4942, 403636), (5311, 375592), (6251, 319112), (6328, 315229), (6707, 297416), (7144, 279223), (8588, 232274), (9884, 201818), (10622, 187796), (12502, 159556), (13414, 148708), (15029, 132728), (16591, 120232), (17176, 116137), (19768, 100909), (21244, 93898), (25004, 79778), (26828, 74354), (30058, 66364), (33182, 60116), (37177, 53656), (39889, 50008), (42488, 46949)]