139197440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:933

約数の個数: 88

約数和(自身を含む): 345075072

約数和(自身を除く): 205877632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 877, 992, 1024, 1240, 1280, 1754, 1984, 2480, 2560, 3508, 3968, 4385, 4960, 5120, 7016, 7936, 8770, 9920, 14032, 15872, 17540, 19840, 27187, 28064, 31744, 35080, 39680, 54374, 56128, 70160, 79360, 108748, 112256, 135935, 140320, 158720, 217496, 224512, 271870, 280640, 434992, 449024, 543740, 561280, 869984, 898048, 1087480, 1122560, 1739968, 2174960, 2245120, 3479936, 4349920, 4490240, 6959872, 8699840, 13919744, 17399680, 27839488, 34799360, 69598720, 139197440]

約数ペア:

[(1, 139197440), (2, 69598720), (4, 34799360), (5, 27839488), (8, 17399680), (10, 13919744), (16, 8699840), (20, 6959872), (31, 4490240), (32, 4349920), (40, 3479936), (62, 2245120), (64, 2174960), (80, 1739968), (124, 1122560), (128, 1087480), (155, 898048), (160, 869984), (248, 561280), (256, 543740), (310, 449024), (320, 434992), (496, 280640), (512, 271870), (620, 224512), (640, 217496), (877, 158720), (992, 140320), (1024, 135935), (1240, 112256), (1280, 108748), (1754, 79360), (1984, 70160), (2480, 56128), (2560, 54374), (3508, 39680), (3968, 35080), (4385, 31744), (4960, 28064), (5120, 27187), (7016, 19840), (7936, 17540), (8770, 15872), (9920, 14032)]