80853700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 187488000

約数和(自身を除く): 106634300

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 199, 239, 340, 398, 425, 478, 796, 850, 956, 995, 1195, 1700, 1990, 2390, 3383, 3980, 4063, 4780, 4975, 5975, 6766, 8126, 9950, 11950, 13532, 16252, 16915, 19900, 20315, 23900, 33830, 40630, 47561, 67660, 81260, 84575, 95122, 101575, 169150, 190244, 203150, 237805, 338300, 406300, 475610, 808537, 951220, 1189025, 1617074, 2378050, 3234148, 4042685, 4756100, 8085370, 16170740, 20213425, 40426850, 80853700]

約数ペア:

[(1, 80853700), (2, 40426850), (4, 20213425), (5, 16170740), (10, 8085370), (17, 4756100), (20, 4042685), (25, 3234148), (34, 2378050), (50, 1617074), (68, 1189025), (85, 951220), (100, 808537), (170, 475610), (199, 406300), (239, 338300), (340, 237805), (398, 203150), (425, 190244), (478, 169150), (796, 101575), (850, 95122), (956, 84575), (995, 81260), (1195, 67660), (1700, 47561), (1990, 40630), (2390, 33830), (3383, 23900), (3980, 20315), (4063, 19900), (4780, 16915), (4975, 16252), (5975, 13532), (6766, 11950), (8126, 9950)]