4640621636

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{21121}}^1$

素因数の和:21217

約数の個数: 72

約数和(自身を含む): 10113213600

約数和(自身を除く): 5472591964

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 59, 76, 98, 118, 133, 196, 236, 266, 413, 532, 826, 931, 1121, 1652, 1862, 2242, 2891, 3724, 4484, 5782, 7847, 11564, 15694, 21121, 31388, 42242, 54929, 84484, 109858, 147847, 219716, 295694, 401299, 591388, 802598, 1034929, 1246139, 1605196, 2069858, 2492278, 2809093, 4139716, 4984556, 5618186, 8722973, 11236372, 17445946, 19663651, 23676641, 34891892, 39327302, 47353282, 61060811, 78654604, 94706564, 122121622, 165736487, 244243244, 331472974, 662945948, 1160155409, 2320310818, 4640621636]

約数ペア:

[(1, 4640621636), (2, 2320310818), (4, 1160155409), (7, 662945948), (14, 331472974), (19, 244243244), (28, 165736487), (38, 122121622), (49, 94706564), (59, 78654604), (76, 61060811), (98, 47353282), (118, 39327302), (133, 34891892), (196, 23676641), (236, 19663651), (266, 17445946), (413, 11236372), (532, 8722973), (826, 5618186), (931, 4984556), (1121, 4139716), (1652, 2809093), (1862, 2492278), (2242, 2069858), (2891, 1605196), (3724, 1246139), (4484, 1034929), (5782, 802598), (7847, 591388), (11564, 401299), (15694, 295694), (21121, 219716), (31388, 147847), (42242, 109858), (54929, 84484)]