91399960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 213736320

約数和(自身を除く): 122336360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 376, 470, 488, 610, 797, 940, 1220, 1594, 1880, 2440, 2867, 3188, 3985, 5734, 6376, 7970, 11468, 14335, 15940, 22936, 28670, 31880, 37459, 48617, 57340, 74918, 97234, 114680, 149836, 187295, 194468, 243085, 299672, 374590, 388936, 486170, 749180, 972340, 1498360, 1944680, 2284999, 4569998, 9139996, 11424995, 18279992, 22849990, 45699980, 91399960]

約数ペア:

[(1, 91399960), (2, 45699980), (4, 22849990), (5, 18279992), (8, 11424995), (10, 9139996), (20, 4569998), (40, 2284999), (47, 1944680), (61, 1498360), (94, 972340), (122, 749180), (188, 486170), (235, 388936), (244, 374590), (305, 299672), (376, 243085), (470, 194468), (488, 187295), (610, 149836), (797, 114680), (940, 97234), (1220, 74918), (1594, 57340), (1880, 48617), (2440, 37459), (2867, 31880), (3188, 28670), (3985, 22936), (5734, 15940), (6376, 14335), (7970, 11468)]