389804900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{491}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 899379936

約数和(自身を除く): 509575036

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 467, 491, 850, 934, 982, 1700, 1868, 1964, 2335, 2455, 4670, 4910, 7939, 8347, 9340, 9820, 11675, 12275, 15878, 16694, 23350, 24550, 31756, 33388, 39695, 41735, 46700, 49100, 79390, 83470, 158780, 166940, 198475, 208675, 229297, 396950, 417350, 458594, 793900, 834700, 917188, 1146485, 2292970, 3898049, 4585940, 5732425, 7796098, 11464850, 15592196, 19490245, 22929700, 38980490, 77960980, 97451225, 194902450, 389804900]

約数ペア:

[(1, 389804900), (2, 194902450), (4, 97451225), (5, 77960980), (10, 38980490), (17, 22929700), (20, 19490245), (25, 15592196), (34, 11464850), (50, 7796098), (68, 5732425), (85, 4585940), (100, 3898049), (170, 2292970), (340, 1146485), (425, 917188), (467, 834700), (491, 793900), (850, 458594), (934, 417350), (982, 396950), (1700, 229297), (1868, 208675), (1964, 198475), (2335, 166940), (2455, 158780), (4670, 83470), (4910, 79390), (7939, 49100), (8347, 46700), (9340, 41735), (9820, 39695), (11675, 33388), (12275, 31756), (15878, 24550), (16694, 23350)]