225156760

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 515380320

約数和(自身を除く): 290223560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 181, 227, 274, 362, 454, 548, 685, 724, 905, 908, 1096, 1135, 1370, 1448, 1810, 1816, 2270, 2740, 3620, 4540, 5480, 7240, 9080, 24797, 31099, 41087, 49594, 62198, 82174, 99188, 123985, 124396, 155495, 164348, 198376, 205435, 247970, 248792, 310990, 328696, 410870, 495940, 621980, 821740, 991880, 1243960, 1643480, 5628919, 11257838, 22515676, 28144595, 45031352, 56289190, 112578380, 225156760]

約数ペア:

[(1, 225156760), (2, 112578380), (4, 56289190), (5, 45031352), (8, 28144595), (10, 22515676), (20, 11257838), (40, 5628919), (137, 1643480), (181, 1243960), (227, 991880), (274, 821740), (362, 621980), (454, 495940), (548, 410870), (685, 328696), (724, 310990), (905, 248792), (908, 247970), (1096, 205435), (1135, 198376), (1370, 164348), (1448, 155495), (1810, 124396), (1816, 123985), (2270, 99188), (2740, 82174), (3620, 62198), (4540, 49594), (5480, 41087), (7240, 31099), (9080, 24797)]