197918080

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18191}}^1$

素因数の和:18227

約数の個数: 64

約数和(自身を含む): 501007680

約数和(自身を除く): 303089600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 18191, 36382, 72764, 90955, 145528, 181910, 291056, 309247, 363820, 582112, 618494, 727640, 1164224, 1236988, 1455280, 1546235, 2328448, 2473976, 2910560, 3092470, 4947952, 5821120, 6184940, 9895904, 11642240, 12369880, 19791808, 24739760, 39583616, 49479520, 98959040, 197918080]

約数ペア:

[(1, 197918080), (2, 98959040), (4, 49479520), (5, 39583616), (8, 24739760), (10, 19791808), (16, 12369880), (17, 11642240), (20, 9895904), (32, 6184940), (34, 5821120), (40, 4947952), (64, 3092470), (68, 2910560), (80, 2473976), (85, 2328448), (128, 1546235), (136, 1455280), (160, 1236988), (170, 1164224), (272, 727640), (320, 618494), (340, 582112), (544, 363820), (640, 309247), (680, 291056), (1088, 181910), (1360, 145528), (2176, 90955), (2720, 72764), (5440, 36382), (10880, 18191)]