30898420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 77421960

約数和(自身を除く): 46523540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 769, 820, 980, 1148, 1435, 1538, 2009, 2870, 3076, 3845, 4018, 5383, 5740, 7690, 8036, 10045, 10766, 15380, 20090, 21532, 26915, 31529, 37681, 40180, 53830, 63058, 75362, 107660, 126116, 150724, 157645, 188405, 220703, 315290, 376810, 441406, 630580, 753620, 882812, 1103515, 1544921, 2207030, 3089842, 4414060, 6179684, 7724605, 15449210, 30898420]

約数ペア:

[(1, 30898420), (2, 15449210), (4, 7724605), (5, 6179684), (7, 4414060), (10, 3089842), (14, 2207030), (20, 1544921), (28, 1103515), (35, 882812), (41, 753620), (49, 630580), (70, 441406), (82, 376810), (98, 315290), (140, 220703), (164, 188405), (196, 157645), (205, 150724), (245, 126116), (287, 107660), (410, 75362), (490, 63058), (574, 53830), (769, 40180), (820, 37681), (980, 31529), (1148, 26915), (1435, 21532), (1538, 20090), (2009, 15380), (2870, 10766), (3076, 10045), (3845, 8036), (4018, 7690), (5383, 5740)]