28038010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2801}}^1$

素因数の和:2839

約数の個数: 64

約数和(自身を含む): 67785984

約数和(自身を除く): 39747974

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 2801, 5005, 5602, 10010, 14005, 19607, 28010, 30811, 36413, 39214, 61622, 72826, 98035, 154055, 182065, 196070, 215677, 254891, 308110, 364130, 400543, 431354, 509782, 801086, 1078385, 1274455, 2002715, 2156770, 2548910, 2803801, 4005430, 5607602, 14019005, 28038010]

約数ペア:

[(1, 28038010), (2, 14019005), (5, 5607602), (7, 4005430), (10, 2803801), (11, 2548910), (13, 2156770), (14, 2002715), (22, 1274455), (26, 1078385), (35, 801086), (55, 509782), (65, 431354), (70, 400543), (77, 364130), (91, 308110), (110, 254891), (130, 215677), (143, 196070), (154, 182065), (182, 154055), (286, 98035), (385, 72826), (455, 61622), (715, 39214), (770, 36413), (910, 30811), (1001, 28010), (1430, 19607), (2002, 14005), (2801, 10010), (5005, 5602)]