285158440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2091

約数の個数: 96

約数和(自身を含む): 756962280

約数和(自身を除く): 471803840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 73, 98, 140, 146, 196, 245, 280, 292, 365, 392, 490, 511, 584, 730, 980, 1022, 1460, 1960, 1993, 2044, 2555, 2920, 3577, 3986, 4088, 5110, 7154, 7972, 9965, 10220, 13951, 14308, 15944, 17885, 19930, 20440, 27902, 28616, 35770, 39860, 55804, 69755, 71540, 79720, 97657, 111608, 139510, 143080, 145489, 195314, 279020, 290978, 390628, 488285, 558040, 581956, 727445, 781256, 976570, 1018423, 1163912, 1454890, 1953140, 2036846, 2909780, 3906280, 4073692, 5092115, 5819560, 7128961, 8147384, 10184230, 14257922, 20368460, 28515844, 35644805, 40736920, 57031688, 71289610, 142579220, 285158440]

約数ペア:

[(1, 285158440), (2, 142579220), (4, 71289610), (5, 57031688), (7, 40736920), (8, 35644805), (10, 28515844), (14, 20368460), (20, 14257922), (28, 10184230), (35, 8147384), (40, 7128961), (49, 5819560), (56, 5092115), (70, 4073692), (73, 3906280), (98, 2909780), (140, 2036846), (146, 1953140), (196, 1454890), (245, 1163912), (280, 1018423), (292, 976570), (365, 781256), (392, 727445), (490, 581956), (511, 558040), (584, 488285), (730, 390628), (980, 290978), (1022, 279020), (1460, 195314), (1960, 145489), (1993, 143080), (2044, 139510), (2555, 111608), (2920, 97657), (3577, 79720), (3986, 71540), (4088, 69755), (5110, 55804), (7154, 39860), (7972, 35770), (9965, 28616), (10220, 27902), (13951, 20440), (14308, 19930), (15944, 17885)]