284845360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{347}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 687670272

約数和(自身を除く): 402824912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 331, 347, 496, 620, 662, 694, 1240, 1324, 1388, 1655, 1735, 2480, 2648, 2776, 3310, 3470, 5296, 5552, 6620, 6940, 10261, 10757, 13240, 13880, 20522, 21514, 26480, 27760, 41044, 43028, 51305, 53785, 82088, 86056, 102610, 107570, 114857, 164176, 172112, 205220, 215140, 229714, 410440, 430280, 459428, 574285, 820880, 860560, 918856, 1148570, 1837712, 2297140, 3560567, 4594280, 7121134, 9188560, 14242268, 17802835, 28484536, 35605670, 56969072, 71211340, 142422680, 284845360]

約数ペア:

[(1, 284845360), (2, 142422680), (4, 71211340), (5, 56969072), (8, 35605670), (10, 28484536), (16, 17802835), (20, 14242268), (31, 9188560), (40, 7121134), (62, 4594280), (80, 3560567), (124, 2297140), (155, 1837712), (248, 1148570), (310, 918856), (331, 860560), (347, 820880), (496, 574285), (620, 459428), (662, 430280), (694, 410440), (1240, 229714), (1324, 215140), (1388, 205220), (1655, 172112), (1735, 164176), (2480, 114857), (2648, 107570), (2776, 102610), (3310, 86056), (3470, 82088), (5296, 53785), (5552, 51305), (6620, 43028), (6940, 41044), (10261, 27760), (10757, 26480), (13240, 21514), (13880, 20522)]