208408960

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7573}}^1$

素因数の和:7635

約数の個数: 64

約数和(自身を含む): 509881680

約数和(自身を除く): 301472720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2752, 3440, 5504, 6880, 7573, 13760, 15146, 27520, 30292, 37865, 60584, 75730, 121168, 151460, 242336, 302920, 325639, 484672, 605840, 651278, 969344, 1211680, 1302556, 1628195, 2423360, 2605112, 3256390, 4846720, 5210224, 6512780, 10420448, 13025560, 20840896, 26051120, 41681792, 52102240, 104204480, 208408960]

約数ペア:

[(1, 208408960), (2, 104204480), (4, 52102240), (5, 41681792), (8, 26051120), (10, 20840896), (16, 13025560), (20, 10420448), (32, 6512780), (40, 5210224), (43, 4846720), (64, 3256390), (80, 2605112), (86, 2423360), (128, 1628195), (160, 1302556), (172, 1211680), (215, 969344), (320, 651278), (344, 605840), (430, 484672), (640, 325639), (688, 302920), (860, 242336), (1376, 151460), (1720, 121168), (2752, 75730), (3440, 60584), (5504, 37865), (6880, 30292), (7573, 27520), (13760, 15146)]