395364190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 784546560

約数和(自身を除く): 389182370

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 137, 158, 274, 281, 395, 562, 685, 790, 1027, 1370, 1405, 1781, 2054, 2810, 3562, 3653, 5135, 7306, 8905, 10270, 10823, 17810, 18265, 21646, 22199, 36530, 38497, 44398, 54115, 76994, 108230, 110995, 140699, 192485, 221990, 281398, 288587, 384970, 500461, 577174, 703495, 1000922, 1406990, 1442935, 2502305, 2885870, 3041263, 5004610, 6082526, 15206315, 30412630, 39536419, 79072838, 197682095, 395364190]

約数ペア:

[(1, 395364190), (2, 197682095), (5, 79072838), (10, 39536419), (13, 30412630), (26, 15206315), (65, 6082526), (79, 5004610), (130, 3041263), (137, 2885870), (158, 2502305), (274, 1442935), (281, 1406990), (395, 1000922), (562, 703495), (685, 577174), (790, 500461), (1027, 384970), (1370, 288587), (1405, 281398), (1781, 221990), (2054, 192485), (2810, 140699), (3562, 110995), (3653, 108230), (5135, 76994), (7306, 54115), (8905, 44398), (10270, 38497), (10823, 36530), (17810, 22199), (18265, 21646)]