203697280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10267}}^1$

素因数の和:10317

約数の個数: 64

約数和(自身を含む): 502721280

約数和(自身を除く): 299024000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 10267, 19840, 20534, 41068, 51335, 82136, 102670, 164272, 205340, 318277, 328544, 410680, 636554, 657088, 821360, 1273108, 1314176, 1591385, 1642720, 2546216, 3182770, 3285440, 5092432, 6365540, 6570880, 10184864, 12731080, 20369728, 25462160, 40739456, 50924320, 101848640, 203697280]

約数ペア:

[(1, 203697280), (2, 101848640), (4, 50924320), (5, 40739456), (8, 25462160), (10, 20369728), (16, 12731080), (20, 10184864), (31, 6570880), (32, 6365540), (40, 5092432), (62, 3285440), (64, 3182770), (80, 2546216), (124, 1642720), (128, 1591385), (155, 1314176), (160, 1273108), (248, 821360), (310, 657088), (320, 636554), (496, 410680), (620, 328544), (640, 318277), (992, 205340), (1240, 164272), (1984, 102670), (2480, 82136), (3968, 51335), (4960, 41068), (9920, 20534), (10267, 19840)]