1796778280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2699}}^1$

素因数の和:2827

約数の個数: 128

約数和(自身を含む): 4723920000

約数和(自身を除く): 2927141720

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 89, 110, 136, 170, 178, 187, 220, 340, 356, 374, 440, 445, 680, 712, 748, 890, 935, 979, 1496, 1513, 1780, 1870, 1958, 2699, 3026, 3560, 3740, 3916, 4895, 5398, 6052, 7480, 7565, 7832, 9790, 10796, 12104, 13495, 15130, 16643, 19580, 21592, 26990, 29689, 30260, 33286, 39160, 45883, 53980, 59378, 60520, 66572, 83215, 91766, 107960, 118756, 133144, 148445, 166430, 183532, 229415, 237512, 240211, 296890, 332860, 367064, 458830, 480422, 504713, 593780, 665720, 917660, 960844, 1009426, 1187560, 1201055, 1835320, 1921688, 2018852, 2402110, 2523565, 2642321, 4037704, 4083587, 4804220, 5047130, 5284642, 8167174, 9608440, 10094260, 10569284, 13211605, 16334348, 20188520, 20417935, 21138568, 26423210, 32668696, 40835870, 44919457, 52846420, 81671740, 89838914, 105692840, 163343480, 179677828, 224597285, 359355656, 449194570, 898389140, 1796778280]

約数ペア:

[(1, 1796778280), (2, 898389140), (4, 449194570), (5, 359355656), (8, 224597285), (10, 179677828), (11, 163343480), (17, 105692840), (20, 89838914), (22, 81671740), (34, 52846420), (40, 44919457), (44, 40835870), (55, 32668696), (68, 26423210), (85, 21138568), (88, 20417935), (89, 20188520), (110, 16334348), (136, 13211605), (170, 10569284), (178, 10094260), (187, 9608440), (220, 8167174), (340, 5284642), (356, 5047130), (374, 4804220), (440, 4083587), (445, 4037704), (680, 2642321), (712, 2523565), (748, 2402110), (890, 2018852), (935, 1921688), (979, 1835320), (1496, 1201055), (1513, 1187560), (1780, 1009426), (1870, 960844), (1958, 917660), (2699, 665720), (3026, 593780), (3560, 504713), (3740, 480422), (3916, 458830), (4895, 367064), (5398, 332860), (6052, 296890), (7480, 240211), (7565, 237512), (7832, 229415), (9790, 183532), (10796, 166430), (12104, 148445), (13495, 133144), (15130, 118756), (16643, 107960), (19580, 91766), (21592, 83215), (26990, 66572), (29689, 60520), (30260, 59378), (33286, 53980), (39160, 45883)]