207675520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:370

約数の個数: 128

約数和(自身を含む): 541926000

約数和(自身を除く): 334250480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 109, 128, 130, 160, 208, 218, 229, 260, 320, 416, 436, 458, 520, 545, 640, 832, 872, 916, 1040, 1090, 1145, 1417, 1664, 1744, 1832, 2080, 2180, 2290, 2834, 2977, 3488, 3664, 4160, 4360, 4580, 5668, 5954, 6976, 7085, 7328, 8320, 8720, 9160, 11336, 11908, 13952, 14170, 14656, 14885, 17440, 18320, 22672, 23816, 24961, 28340, 29312, 29770, 34880, 36640, 45344, 47632, 49922, 56680, 59540, 69760, 73280, 90688, 95264, 99844, 113360, 119080, 124805, 146560, 181376, 190528, 199688, 226720, 238160, 249610, 324493, 381056, 399376, 453440, 476320, 499220, 648986, 798752, 906880, 952640, 998440, 1297972, 1597504, 1622465, 1905280, 1996880, 2595944, 3195008, 3244930, 3993760, 5191888, 6489860, 7987520, 10383776, 12979720, 15975040, 20767552, 25959440, 41535104, 51918880, 103837760, 207675520]

約数ペア:

[(1, 207675520), (2, 103837760), (4, 51918880), (5, 41535104), (8, 25959440), (10, 20767552), (13, 15975040), (16, 12979720), (20, 10383776), (26, 7987520), (32, 6489860), (40, 5191888), (52, 3993760), (64, 3244930), (65, 3195008), (80, 2595944), (104, 1996880), (109, 1905280), (128, 1622465), (130, 1597504), (160, 1297972), (208, 998440), (218, 952640), (229, 906880), (260, 798752), (320, 648986), (416, 499220), (436, 476320), (458, 453440), (520, 399376), (545, 381056), (640, 324493), (832, 249610), (872, 238160), (916, 226720), (1040, 199688), (1090, 190528), (1145, 181376), (1417, 146560), (1664, 124805), (1744, 119080), (1832, 113360), (2080, 99844), (2180, 95264), (2290, 90688), (2834, 73280), (2977, 69760), (3488, 59540), (3664, 56680), (4160, 49922), (4360, 47632), (4580, 45344), (5668, 36640), (5954, 34880), (6976, 29770), (7085, 29312), (7328, 28340), (8320, 24961), (8720, 23816), (9160, 22672), (11336, 18320), (11908, 17440), (13952, 14885), (14170, 14656)]