193495660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{797}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 415598400

約数和(自身を除く): 222102740

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 199, 244, 305, 398, 610, 796, 797, 995, 1220, 1594, 1990, 3188, 3980, 3985, 7970, 12139, 15940, 24278, 48556, 48617, 60695, 97234, 121390, 158603, 194468, 242780, 243085, 317206, 486170, 634412, 793015, 972340, 1586030, 3172060, 9674783, 19349566, 38699132, 48373915, 96747830, 193495660]

約数ペア:

[(1, 193495660), (2, 96747830), (4, 48373915), (5, 38699132), (10, 19349566), (20, 9674783), (61, 3172060), (122, 1586030), (199, 972340), (244, 793015), (305, 634412), (398, 486170), (610, 317206), (796, 243085), (797, 242780), (995, 194468), (1220, 158603), (1594, 121390), (1990, 97234), (3188, 60695), (3980, 48617), (3985, 48556), (7970, 24278), (12139, 15940)]