204055420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 470292480

約数和(自身を除く): 266237060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 79, 85, 107, 142, 158, 170, 214, 284, 316, 340, 355, 395, 428, 535, 710, 790, 1070, 1207, 1343, 1420, 1580, 1819, 2140, 2414, 2686, 3638, 4828, 5372, 5609, 6035, 6715, 7276, 7597, 8453, 9095, 11218, 12070, 13430, 15194, 16906, 18190, 22436, 24140, 26860, 28045, 30388, 33812, 36380, 37985, 42265, 56090, 75970, 84530, 95353, 112180, 129149, 143701, 151940, 169060, 190706, 258298, 287402, 381412, 476765, 516596, 574804, 600163, 645745, 718505, 953530, 1200326, 1291490, 1437010, 1907060, 2400652, 2582980, 2874020, 3000815, 6001630, 10202771, 12003260, 20405542, 40811084, 51013855, 102027710, 204055420]

約数ペア:

[(1, 204055420), (2, 102027710), (4, 51013855), (5, 40811084), (10, 20405542), (17, 12003260), (20, 10202771), (34, 6001630), (68, 3000815), (71, 2874020), (79, 2582980), (85, 2400652), (107, 1907060), (142, 1437010), (158, 1291490), (170, 1200326), (214, 953530), (284, 718505), (316, 645745), (340, 600163), (355, 574804), (395, 516596), (428, 476765), (535, 381412), (710, 287402), (790, 258298), (1070, 190706), (1207, 169060), (1343, 151940), (1420, 143701), (1580, 129149), (1819, 112180), (2140, 95353), (2414, 84530), (2686, 75970), (3638, 56090), (4828, 42265), (5372, 37985), (5609, 36380), (6035, 33812), (6715, 30388), (7276, 28045), (7597, 26860), (8453, 24140), (9095, 22436), (11218, 18190), (12070, 16906), (13430, 15194)]