51981340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 122472000

約数和(自身を除く): 70490660

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 53, 58, 76, 89, 95, 106, 116, 145, 178, 190, 212, 265, 290, 356, 380, 445, 530, 551, 580, 890, 1007, 1060, 1102, 1537, 1691, 1780, 2014, 2204, 2581, 2755, 3074, 3382, 4028, 4717, 5035, 5162, 5510, 6148, 6764, 7685, 8455, 9434, 10070, 10324, 11020, 12905, 15370, 16910, 18868, 20140, 23585, 25810, 29203, 30740, 33820, 47170, 49039, 51620, 58406, 89623, 94340, 98078, 116812, 136793, 146015, 179246, 196156, 245195, 273586, 292030, 358492, 448115, 490390, 547172, 584060, 683965, 896230, 980780, 1367930, 1792460, 2599067, 2735860, 5198134, 10396268, 12995335, 25990670, 51981340]

約数ペア:

[(1, 51981340), (2, 25990670), (4, 12995335), (5, 10396268), (10, 5198134), (19, 2735860), (20, 2599067), (29, 1792460), (38, 1367930), (53, 980780), (58, 896230), (76, 683965), (89, 584060), (95, 547172), (106, 490390), (116, 448115), (145, 358492), (178, 292030), (190, 273586), (212, 245195), (265, 196156), (290, 179246), (356, 146015), (380, 136793), (445, 116812), (530, 98078), (551, 94340), (580, 89623), (890, 58406), (1007, 51620), (1060, 49039), (1102, 47170), (1537, 33820), (1691, 30740), (1780, 29203), (2014, 25810), (2204, 23585), (2581, 20140), (2755, 18868), (3074, 16910), (3382, 15370), (4028, 12905), (4717, 11020), (5035, 10324), (5162, 10070), (5510, 9434), (6148, 8455), (6764, 7685)]