1388890140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{123787}}^1$

素因数の和:123827

約数の個数: 96

約数和(自身を含む): 4492018944

約数和(自身を除く): 3103128804

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1870, 2244, 2805, 3740, 5610, 11220, 123787, 247574, 371361, 495148, 618935, 742722, 1237870, 1361657, 1485444, 1856805, 2104379, 2475740, 2723314, 3713610, 4084971, 4208758, 5446628, 6313137, 6808285, 7427220, 8169942, 8417516, 10521895, 12626274, 13616570, 16339884, 20424855, 21043790, 23148169, 25252548, 27233140, 31565685, 40849710, 42087580, 46296338, 63131370, 69444507, 81699420, 92592676, 115740845, 126262740, 138889014, 231481690, 277778028, 347222535, 462963380, 694445070, 1388890140]

約数ペア:

[(1, 1388890140), (2, 694445070), (3, 462963380), (4, 347222535), (5, 277778028), (6, 231481690), (10, 138889014), (11, 126262740), (12, 115740845), (15, 92592676), (17, 81699420), (20, 69444507), (22, 63131370), (30, 46296338), (33, 42087580), (34, 40849710), (44, 31565685), (51, 27233140), (55, 25252548), (60, 23148169), (66, 21043790), (68, 20424855), (85, 16339884), (102, 13616570), (110, 12626274), (132, 10521895), (165, 8417516), (170, 8169942), (187, 7427220), (204, 6808285), (220, 6313137), (255, 5446628), (330, 4208758), (340, 4084971), (374, 3713610), (510, 2723314), (561, 2475740), (660, 2104379), (748, 1856805), (935, 1485444), (1020, 1361657), (1122, 1237870), (1870, 742722), (2244, 618935), (2805, 495148), (3740, 371361), (5610, 247574), (11220, 123787)]