55990340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 150151680

約数和(自身を除く): 94161340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 97, 98, 124, 133, 140, 155, 190, 194, 196, 217, 245, 266, 310, 380, 388, 434, 485, 490, 532, 589, 620, 665, 679, 868, 931, 970, 980, 1085, 1178, 1330, 1358, 1519, 1843, 1862, 1940, 2170, 2356, 2660, 2716, 2945, 3007, 3038, 3395, 3686, 3724, 4123, 4340, 4655, 4753, 5890, 6014, 6076, 6790, 7372, 7595, 8246, 9215, 9310, 9506, 11780, 12028, 12901, 13580, 15035, 15190, 16492, 18430, 18620, 19012, 20615, 21049, 23765, 25802, 28861, 30070, 30380, 36860, 41230, 42098, 47530, 51604, 57133, 57722, 60140, 64505, 82460, 84196, 90307, 95060, 105245, 114266, 115444, 129010, 144305, 147343, 180614, 210490, 228532, 258020, 285665, 288610, 294686, 361228, 399931, 420980, 451535, 571330, 577220, 589372, 736715, 799862, 903070, 1142660, 1473430, 1599724, 1806140, 1999655, 2799517, 2946860, 3999310, 5599034, 7998620, 11198068, 13997585, 27995170, 55990340]

約数ペア:

[(1, 55990340), (2, 27995170), (4, 13997585), (5, 11198068), (7, 7998620), (10, 5599034), (14, 3999310), (19, 2946860), (20, 2799517), (28, 1999655), (31, 1806140), (35, 1599724), (38, 1473430), (49, 1142660), (62, 903070), (70, 799862), (76, 736715), (95, 589372), (97, 577220), (98, 571330), (124, 451535), (133, 420980), (140, 399931), (155, 361228), (190, 294686), (194, 288610), (196, 285665), (217, 258020), (245, 228532), (266, 210490), (310, 180614), (380, 147343), (388, 144305), (434, 129010), (485, 115444), (490, 114266), (532, 105245), (589, 95060), (620, 90307), (665, 84196), (679, 82460), (868, 64505), (931, 60140), (970, 57722), (980, 57133), (1085, 51604), (1178, 47530), (1330, 42098), (1358, 41230), (1519, 36860), (1843, 30380), (1862, 30070), (1940, 28861), (2170, 25802), (2356, 23765), (2660, 21049), (2716, 20615), (2945, 19012), (3007, 18620), (3038, 18430), (3395, 16492), (3686, 15190), (3724, 15035), (4123, 13580), (4340, 12901), (4655, 12028), (4753, 11780), (5890, 9506), (6014, 9310), (6076, 9215), (6790, 8246), (7372, 7595)]