15900100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 37497600

約数和(自身を除く): 21597500

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 47, 50, 68, 85, 94, 100, 170, 188, 199, 235, 340, 398, 425, 470, 796, 799, 850, 940, 995, 1175, 1598, 1700, 1990, 2350, 3196, 3383, 3980, 3995, 4700, 4975, 6766, 7990, 9353, 9950, 13532, 15980, 16915, 18706, 19900, 19975, 33830, 37412, 39950, 46765, 67660, 79900, 84575, 93530, 159001, 169150, 187060, 233825, 318002, 338300, 467650, 636004, 795005, 935300, 1590010, 3180020, 3975025, 7950050, 15900100]

約数ペア:

[(1, 15900100), (2, 7950050), (4, 3975025), (5, 3180020), (10, 1590010), (17, 935300), (20, 795005), (25, 636004), (34, 467650), (47, 338300), (50, 318002), (68, 233825), (85, 187060), (94, 169150), (100, 159001), (170, 93530), (188, 84575), (199, 79900), (235, 67660), (340, 46765), (398, 39950), (425, 37412), (470, 33830), (796, 19975), (799, 19900), (850, 18706), (940, 16915), (995, 15980), (1175, 13532), (1598, 9950), (1700, 9353), (1990, 7990), (2350, 6766), (3196, 4975), (3383, 4700), (3980, 3995)]