17665480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9013}}^1$

素因数の和:9038

約数の個数: 48

約数和(自身を含む): 46241820

約数和(自身を除く): 28576340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9013, 18026, 36052, 45065, 63091, 72104, 90130, 126182, 180260, 252364, 315455, 360520, 441637, 504728, 630910, 883274, 1261820, 1766548, 2208185, 2523640, 3533096, 4416370, 8832740, 17665480]

約数ペア:

[(1, 17665480), (2, 8832740), (4, 4416370), (5, 3533096), (7, 2523640), (8, 2208185), (10, 1766548), (14, 1261820), (20, 883274), (28, 630910), (35, 504728), (40, 441637), (49, 360520), (56, 315455), (70, 252364), (98, 180260), (140, 126182), (196, 90130), (245, 72104), (280, 63091), (392, 45065), (490, 36052), (980, 18026), (1960, 9013)]