202159940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{829}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 432961200

約数和(自身を除く): 230801260

約数列:

[1, 2, 4, 5, 10, 20, 89, 137, 178, 274, 356, 445, 548, 685, 829, 890, 1370, 1658, 1780, 2740, 3316, 4145, 8290, 12193, 16580, 24386, 48772, 60965, 73781, 113573, 121930, 147562, 227146, 243860, 295124, 368905, 454292, 567865, 737810, 1135730, 1475620, 2271460, 10107997, 20215994, 40431988, 50539985, 101079970, 202159940]

約数ペア:

[(1, 202159940), (2, 101079970), (4, 50539985), (5, 40431988), (10, 20215994), (20, 10107997), (89, 2271460), (137, 1475620), (178, 1135730), (274, 737810), (356, 567865), (445, 454292), (548, 368905), (685, 295124), (829, 243860), (890, 227146), (1370, 147562), (1658, 121930), (1780, 113573), (2740, 73781), (3316, 60965), (4145, 48772), (8290, 24386), (12193, 16580)]