1520759990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{44953}}^1$

素因数の和:45176

約数の個数: 32

約数和(自身を含む): 2913019200

約数和(自身を除く): 1392259210

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 398, 995, 1990, 3383, 6766, 16915, 33830, 44953, 89906, 224765, 449530, 764201, 1528402, 3821005, 7642010, 8945647, 17891294, 44728235, 89456470, 152075999, 304151998, 760379995, 1520759990]

約数ペア:

[(1, 1520759990), (2, 760379995), (5, 304151998), (10, 152075999), (17, 89456470), (34, 44728235), (85, 17891294), (170, 8945647), (199, 7642010), (398, 3821005), (995, 1528402), (1990, 764201), (3383, 449530), (6766, 224765), (16915, 89906), (33830, 44953)]