214675840

素因数分解:

$2^7\times 5^1\times {\mathrm{509}}^1\times {\mathrm{659}}^1$

素因数の和:1187

約数の個数: 64

約数和(自身を含む): 514998000

約数和(自身を除く): 300322160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 509, 640, 659, 1018, 1318, 2036, 2545, 2636, 3295, 4072, 5090, 5272, 6590, 8144, 10180, 10544, 13180, 16288, 20360, 21088, 26360, 32576, 40720, 42176, 52720, 65152, 81440, 84352, 105440, 162880, 210880, 325760, 335431, 421760, 670862, 1341724, 1677155, 2683448, 3354310, 5366896, 6708620, 10733792, 13417240, 21467584, 26834480, 42935168, 53668960, 107337920, 214675840]

約数ペア:

[(1, 214675840), (2, 107337920), (4, 53668960), (5, 42935168), (8, 26834480), (10, 21467584), (16, 13417240), (20, 10733792), (32, 6708620), (40, 5366896), (64, 3354310), (80, 2683448), (128, 1677155), (160, 1341724), (320, 670862), (509, 421760), (640, 335431), (659, 325760), (1018, 210880), (1318, 162880), (2036, 105440), (2545, 84352), (2636, 81440), (3295, 65152), (4072, 52720), (5090, 42176), (5272, 40720), (6590, 32576), (8144, 26360), (10180, 21088), (10544, 20360), (13180, 16288)]