168811700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 390600000

約数和(自身を除く): 221788300

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 199, 340, 398, 425, 499, 796, 850, 995, 998, 1700, 1990, 1996, 2495, 3383, 3980, 4975, 4990, 6766, 8483, 9950, 9980, 12475, 13532, 16915, 16966, 19900, 24950, 33830, 33932, 42415, 49900, 67660, 84575, 84830, 99301, 169150, 169660, 198602, 212075, 338300, 397204, 424150, 496505, 848300, 993010, 1688117, 1986020, 2482525, 3376234, 4965050, 6752468, 8440585, 9930100, 16881170, 33762340, 42202925, 84405850, 168811700]

約数ペア:

[(1, 168811700), (2, 84405850), (4, 42202925), (5, 33762340), (10, 16881170), (17, 9930100), (20, 8440585), (25, 6752468), (34, 4965050), (50, 3376234), (68, 2482525), (85, 1986020), (100, 1688117), (170, 993010), (199, 848300), (340, 496505), (398, 424150), (425, 397204), (499, 338300), (796, 212075), (850, 198602), (995, 169660), (998, 169150), (1700, 99301), (1990, 84830), (1996, 84575), (2495, 67660), (3383, 49900), (3980, 42415), (4975, 33932), (4990, 33830), (6766, 24950), (8483, 19900), (9950, 16966), (9980, 16915), (12475, 13532)]