394894864

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:745

約数の個数: 120

約数和(自身を含む): 978842112

約数和(自身を除く): 583947248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 169, 182, 208, 217, 248, 338, 364, 403, 434, 496, 673, 676, 728, 806, 868, 1183, 1346, 1352, 1456, 1612, 1736, 2366, 2692, 2704, 2821, 3224, 3472, 4711, 4732, 5239, 5384, 5642, 6448, 8749, 9422, 9464, 10478, 10768, 11284, 17498, 18844, 18928, 20863, 20956, 22568, 34996, 36673, 37688, 41726, 41912, 45136, 61243, 69992, 73346, 75376, 83452, 83824, 113737, 122486, 139984, 146041, 146692, 166904, 227474, 244972, 271219, 292082, 293384, 333808, 454948, 489944, 542438, 584164, 586768, 796159, 909896, 979888, 1084876, 1168328, 1592318, 1819792, 1898533, 2169752, 2336656, 3184636, 3525847, 3797066, 4339504, 6369272, 7051694, 7594132, 12738544, 14103388, 15188264, 24680929, 28206776, 30376528, 49361858, 56413552, 98723716, 197447432, 394894864]

約数ペア:

[(1, 394894864), (2, 197447432), (4, 98723716), (7, 56413552), (8, 49361858), (13, 30376528), (14, 28206776), (16, 24680929), (26, 15188264), (28, 14103388), (31, 12738544), (52, 7594132), (56, 7051694), (62, 6369272), (91, 4339504), (104, 3797066), (112, 3525847), (124, 3184636), (169, 2336656), (182, 2169752), (208, 1898533), (217, 1819792), (248, 1592318), (338, 1168328), (364, 1084876), (403, 979888), (434, 909896), (496, 796159), (673, 586768), (676, 584164), (728, 542438), (806, 489944), (868, 454948), (1183, 333808), (1346, 293384), (1352, 292082), (1456, 271219), (1612, 244972), (1736, 227474), (2366, 166904), (2692, 146692), (2704, 146041), (2821, 139984), (3224, 122486), (3472, 113737), (4711, 83824), (4732, 83452), (5239, 75376), (5384, 73346), (5642, 69992), (6448, 61243), (8749, 45136), (9422, 41912), (9464, 41726), (10478, 37688), (10768, 36673), (11284, 34996), (17498, 22568), (18844, 20956), (18928, 20863)]