205123500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:681

約数の個数: 144

約数和(自身を含む): 656423040

約数和(自身を除く): 451299540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 79, 90, 100, 125, 150, 158, 180, 225, 237, 250, 300, 316, 375, 395, 450, 474, 500, 577, 711, 750, 790, 900, 948, 1125, 1154, 1185, 1422, 1500, 1580, 1731, 1975, 2250, 2308, 2370, 2844, 2885, 3462, 3555, 3950, 4500, 4740, 5193, 5770, 5925, 6924, 7110, 7900, 8655, 9875, 10386, 11540, 11850, 14220, 14425, 17310, 17775, 19750, 20772, 23700, 25965, 28850, 29625, 34620, 35550, 39500, 43275, 45583, 51930, 57700, 59250, 71100, 72125, 86550, 88875, 91166, 103860, 118500, 129825, 136749, 144250, 173100, 177750, 182332, 216375, 227915, 259650, 273498, 288500, 355500, 410247, 432750, 455830, 519300, 546996, 649125, 683745, 820494, 865500, 911660, 1139575, 1298250, 1367490, 1640988, 2051235, 2279150, 2596500, 2734980, 3418725, 4102470, 4558300, 5697875, 6837450, 8204940, 10256175, 11395750, 13674900, 17093625, 20512350, 22791500, 34187250, 41024700, 51280875, 68374500, 102561750, 205123500]

約数ペア:

[(1, 205123500), (2, 102561750), (3, 68374500), (4, 51280875), (5, 41024700), (6, 34187250), (9, 22791500), (10, 20512350), (12, 17093625), (15, 13674900), (18, 11395750), (20, 10256175), (25, 8204940), (30, 6837450), (36, 5697875), (45, 4558300), (50, 4102470), (60, 3418725), (75, 2734980), (79, 2596500), (90, 2279150), (100, 2051235), (125, 1640988), (150, 1367490), (158, 1298250), (180, 1139575), (225, 911660), (237, 865500), (250, 820494), (300, 683745), (316, 649125), (375, 546996), (395, 519300), (450, 455830), (474, 432750), (500, 410247), (577, 355500), (711, 288500), (750, 273498), (790, 259650), (900, 227915), (948, 216375), (1125, 182332), (1154, 177750), (1185, 173100), (1422, 144250), (1500, 136749), (1580, 129825), (1731, 118500), (1975, 103860), (2250, 91166), (2308, 88875), (2370, 86550), (2844, 72125), (2885, 71100), (3462, 59250), (3555, 57700), (3950, 51930), (4500, 45583), (4740, 43275), (5193, 39500), (5770, 35550), (5925, 34620), (6924, 29625), (7110, 28850), (7900, 25965), (8655, 23700), (9875, 20772), (10386, 19750), (11540, 17775), (11850, 17310), (14220, 14425)]