254186608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 555520000

約数和(自身を除く): 301333392

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 79, 104, 124, 158, 208, 248, 316, 403, 496, 499, 632, 806, 998, 1027, 1264, 1612, 1996, 2054, 2449, 3224, 3992, 4108, 4898, 6448, 6487, 7984, 8216, 9796, 12974, 15469, 16432, 19592, 25948, 30938, 31837, 39184, 39421, 51896, 61876, 63674, 78842, 103792, 123752, 127348, 157684, 201097, 247504, 254696, 315368, 402194, 509392, 512473, 630736, 804388, 1024946, 1222051, 1608776, 2049892, 2444102, 3217552, 4099784, 4888204, 8199568, 9776408, 15886663, 19552816, 31773326, 63546652, 127093304, 254186608]

約数ペア:

[(1, 254186608), (2, 127093304), (4, 63546652), (8, 31773326), (13, 19552816), (16, 15886663), (26, 9776408), (31, 8199568), (52, 4888204), (62, 4099784), (79, 3217552), (104, 2444102), (124, 2049892), (158, 1608776), (208, 1222051), (248, 1024946), (316, 804388), (403, 630736), (496, 512473), (499, 509392), (632, 402194), (806, 315368), (998, 254696), (1027, 247504), (1264, 201097), (1612, 157684), (1996, 127348), (2054, 123752), (2449, 103792), (3224, 78842), (3992, 63674), (4108, 61876), (4898, 51896), (6448, 39421), (6487, 39184), (7984, 31837), (8216, 30938), (9796, 25948), (12974, 19592), (15469, 16432)]