2041138460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{60353}}^1$

素因数の和:60470

約数の個数: 48

約数和(自身を含む): 4562762400

約数和(自身を除く): 2521623940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 60353, 120706, 241412, 301765, 603530, 1146707, 1207060, 2293414, 4586828, 5371417, 5733535, 10742834, 11467070, 21485668, 22934140, 26857085, 53714170, 102056923, 107428340, 204113846, 408227692, 510284615, 1020569230, 2041138460]

約数ペア:

[(1, 2041138460), (2, 1020569230), (4, 510284615), (5, 408227692), (10, 204113846), (19, 107428340), (20, 102056923), (38, 53714170), (76, 26857085), (89, 22934140), (95, 21485668), (178, 11467070), (190, 10742834), (356, 5733535), (380, 5371417), (445, 4586828), (890, 2293414), (1691, 1207060), (1780, 1146707), (3382, 603530), (6764, 301765), (8455, 241412), (16910, 120706), (33820, 60353)]