213919360

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4231}}^1$

素因数の和:4329

約数の個数: 64

約数和(自身を含む): 517996800

約数和(自身を除く): 304077440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1580, 2528, 3160, 4231, 5056, 6320, 8462, 10112, 12640, 16924, 21155, 25280, 33848, 42310, 50560, 67696, 84620, 135392, 169240, 270784, 334249, 338480, 541568, 668498, 676960, 1336996, 1353920, 1671245, 2673992, 2707840, 3342490, 5347984, 6684980, 10695968, 13369960, 21391936, 26739920, 42783872, 53479840, 106959680, 213919360]

約数ペア:

[(1, 213919360), (2, 106959680), (4, 53479840), (5, 42783872), (8, 26739920), (10, 21391936), (16, 13369960), (20, 10695968), (32, 6684980), (40, 5347984), (64, 3342490), (79, 2707840), (80, 2673992), (128, 1671245), (158, 1353920), (160, 1336996), (316, 676960), (320, 668498), (395, 541568), (632, 338480), (640, 334249), (790, 270784), (1264, 169240), (1580, 135392), (2528, 84620), (3160, 67696), (4231, 50560), (5056, 42310), (6320, 33848), (8462, 25280), (10112, 21155), (12640, 16924)]