388758160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{99173}}^1$

素因数の和:99200

約数の個数: 60

約数和(自身を含む): 1051442748

約数和(自身を除く): 662684588

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 99173, 198346, 396692, 495865, 694211, 793384, 991730, 1388422, 1586768, 1983460, 2776844, 3471055, 3966920, 4859477, 5553688, 6942110, 7933840, 9718954, 11107376, 13884220, 19437908, 24297385, 27768440, 38875816, 48594770, 55536880, 77751632, 97189540, 194379080, 388758160]

約数ペア:

[(1, 388758160), (2, 194379080), (4, 97189540), (5, 77751632), (7, 55536880), (8, 48594770), (10, 38875816), (14, 27768440), (16, 24297385), (20, 19437908), (28, 13884220), (35, 11107376), (40, 9718954), (49, 7933840), (56, 6942110), (70, 5553688), (80, 4859477), (98, 3966920), (112, 3471055), (140, 2776844), (196, 1983460), (245, 1586768), (280, 1388422), (392, 991730), (490, 793384), (560, 694211), (784, 495865), (980, 396692), (1960, 198346), (3920, 99173)]