198745280

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3121}}^1$

素因数の和:3337

約数の個数: 56

約数和(自身を含む): 475792800

約数和(自身を除く): 277047520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1592, 1990, 3121, 3184, 3980, 6242, 6368, 7960, 12484, 12736, 15605, 15920, 24968, 31210, 31840, 49936, 62420, 63680, 99872, 124840, 199744, 249680, 499360, 621079, 998720, 1242158, 2484316, 3105395, 4968632, 6210790, 9937264, 12421580, 19874528, 24843160, 39749056, 49686320, 99372640, 198745280]

約数ペア:

[(1, 198745280), (2, 99372640), (4, 49686320), (5, 39749056), (8, 24843160), (10, 19874528), (16, 12421580), (20, 9937264), (32, 6210790), (40, 4968632), (64, 3105395), (80, 2484316), (160, 1242158), (199, 998720), (320, 621079), (398, 499360), (796, 249680), (995, 199744), (1592, 124840), (1990, 99872), (3121, 63680), (3184, 62420), (3980, 49936), (6242, 31840), (6368, 31210), (7960, 24968), (12484, 15920), (12736, 15605)]