205324860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20249}}^1$

素因数の和:20287

約数の個数: 72

約数和(自身を含む): 622566000

約数和(自身を除く): 417241140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 20249, 40498, 60747, 80996, 101245, 121494, 202490, 242988, 263237, 303735, 404980, 526474, 607470, 789711, 1052948, 1214940, 1316185, 1579422, 2632370, 3158844, 3422081, 3948555, 5264740, 6844162, 7897110, 10266243, 13688324, 15794220, 17110405, 20532486, 34220810, 41064972, 51331215, 68441620, 102662430, 205324860]

約数ペア:

[(1, 205324860), (2, 102662430), (3, 68441620), (4, 51331215), (5, 41064972), (6, 34220810), (10, 20532486), (12, 17110405), (13, 15794220), (15, 13688324), (20, 10266243), (26, 7897110), (30, 6844162), (39, 5264740), (52, 3948555), (60, 3422081), (65, 3158844), (78, 2632370), (130, 1579422), (156, 1316185), (169, 1214940), (195, 1052948), (260, 789711), (338, 607470), (390, 526474), (507, 404980), (676, 303735), (780, 263237), (845, 242988), (1014, 202490), (1690, 121494), (2028, 101245), (2535, 80996), (3380, 60747), (5070, 40498), (10140, 20249)]