42787810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1075

約数の個数: 64

約数和(自身を含む): 92534400

約数和(自身を除く): 49746590

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1019, 1105, 1235, 1615, 2038, 2210, 2470, 3230, 4199, 5095, 8398, 10190, 13247, 17323, 19361, 20995, 26494, 34646, 38722, 41990, 66235, 86615, 96805, 132470, 173230, 193610, 225199, 251693, 329137, 450398, 503386, 658274, 1125995, 1258465, 1645685, 2251990, 2516930, 3291370, 4278781, 8557562, 21393905, 42787810]

約数ペア:

[(1, 42787810), (2, 21393905), (5, 8557562), (10, 4278781), (13, 3291370), (17, 2516930), (19, 2251990), (26, 1645685), (34, 1258465), (38, 1125995), (65, 658274), (85, 503386), (95, 450398), (130, 329137), (170, 251693), (190, 225199), (221, 193610), (247, 173230), (323, 132470), (442, 96805), (494, 86615), (646, 66235), (1019, 41990), (1105, 38722), (1235, 34646), (1615, 26494), (2038, 20995), (2210, 19361), (2470, 17323), (3230, 13247), (4199, 10190), (5095, 8398)]