495289260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 1564617600

約数和(自身を除く): 1069328340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 239, 261, 290, 348, 397, 435, 478, 522, 580, 717, 794, 870, 956, 1044, 1191, 1195, 1305, 1434, 1588, 1740, 1985, 2151, 2382, 2390, 2610, 2868, 3573, 3585, 3970, 4302, 4764, 4780, 5220, 5955, 6931, 7146, 7170, 7940, 8604, 10755, 11513, 11910, 13862, 14292, 14340, 17865, 20793, 21510, 23026, 23820, 27724, 34539, 34655, 35730, 41586, 43020, 46052, 57565, 62379, 69078, 69310, 71460, 83172, 94883, 103617, 103965, 115130, 124758, 138156, 138620, 172695, 189766, 207234, 207930, 230260, 249516, 284649, 311895, 345390, 379532, 414468, 415860, 474415, 518085, 569298, 623790, 690780, 853947, 948830, 1036170, 1138596, 1247580, 1423245, 1707894, 1897660, 2072340, 2751607, 2846490, 3415788, 4269735, 5503214, 5692980, 8254821, 8539470, 11006428, 13758035, 16509642, 17078940, 24764463, 27516070, 33019284, 41274105, 49528926, 55032140, 82548210, 99057852, 123822315, 165096420, 247644630, 495289260]

約数ペア:

[(1, 495289260), (2, 247644630), (3, 165096420), (4, 123822315), (5, 99057852), (6, 82548210), (9, 55032140), (10, 49528926), (12, 41274105), (15, 33019284), (18, 27516070), (20, 24764463), (29, 17078940), (30, 16509642), (36, 13758035), (45, 11006428), (58, 8539470), (60, 8254821), (87, 5692980), (90, 5503214), (116, 4269735), (145, 3415788), (174, 2846490), (180, 2751607), (239, 2072340), (261, 1897660), (290, 1707894), (348, 1423245), (397, 1247580), (435, 1138596), (478, 1036170), (522, 948830), (580, 853947), (717, 690780), (794, 623790), (870, 569298), (956, 518085), (1044, 474415), (1191, 415860), (1195, 414468), (1305, 379532), (1434, 345390), (1588, 311895), (1740, 284649), (1985, 249516), (2151, 230260), (2382, 207930), (2390, 207234), (2610, 189766), (2868, 172695), (3573, 138620), (3585, 138156), (3970, 124758), (4302, 115130), (4764, 103965), (4780, 103617), (5220, 94883), (5955, 83172), (6931, 71460), (7146, 69310), (7170, 69078), (7940, 62379), (8604, 57565), (10755, 46052), (11513, 43020), (11910, 41586), (13862, 35730), (14292, 34655), (14340, 34539), (17865, 27724), (20793, 23820), (21510, 23026)]