309996032

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{19531}}^1$

素因数の和:19580

約数の個数: 40

約数和(自身を含む): 639399552

約数和(自身を除く): 329403520

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 19531, 39062, 78124, 156248, 312496, 605461, 624992, 1210922, 1249984, 2421844, 2499968, 4843688, 4999936, 9687376, 9999872, 19374752, 38749504, 77499008, 154998016, 309996032]

約数ペア:

[(1, 309996032), (2, 154998016), (4, 77499008), (8, 38749504), (16, 19374752), (31, 9999872), (32, 9687376), (62, 4999936), (64, 4843688), (124, 2499968), (128, 2421844), (248, 1249984), (256, 1210922), (496, 624992), (512, 605461), (992, 312496), (1984, 156248), (3968, 78124), (7936, 39062), (15872, 19531)]