1390201904

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{4999}}^1$

素因数の和:5218

約数の個数: 80

約数和(自身を含む): 3333120000

約数和(自身を除く): 1942918096

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 191, 208, 364, 382, 728, 764, 1337, 1456, 1528, 2483, 2674, 3056, 4966, 4999, 5348, 9932, 9998, 10696, 17381, 19864, 19996, 21392, 34762, 34993, 39728, 39992, 64987, 69524, 69986, 79984, 129974, 139048, 139972, 259948, 278096, 279944, 454909, 519896, 559888, 909818, 954809, 1039792, 1819636, 1909618, 3639272, 3819236, 6683663, 7278544, 7638472, 12412517, 13367326, 15276944, 24825034, 26734652, 49650068, 53469304, 86887619, 99300136, 106938608, 173775238, 198600272, 347550476, 695100952, 1390201904]

約数ペア:

[(1, 1390201904), (2, 695100952), (4, 347550476), (7, 198600272), (8, 173775238), (13, 106938608), (14, 99300136), (16, 86887619), (26, 53469304), (28, 49650068), (52, 26734652), (56, 24825034), (91, 15276944), (104, 13367326), (112, 12412517), (182, 7638472), (191, 7278544), (208, 6683663), (364, 3819236), (382, 3639272), (728, 1909618), (764, 1819636), (1337, 1039792), (1456, 954809), (1528, 909818), (2483, 559888), (2674, 519896), (3056, 454909), (4966, 279944), (4999, 278096), (5348, 259948), (9932, 139972), (9998, 139048), (10696, 129974), (17381, 79984), (19864, 69986), (19996, 69524), (21392, 64987), (34762, 39992), (34993, 39728)]