8730820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 21833280

約数和(自身を除く): 13102460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 151, 196, 236, 245, 295, 302, 413, 490, 590, 604, 755, 826, 980, 1057, 1180, 1510, 1652, 2065, 2114, 2891, 3020, 4130, 4228, 5285, 5782, 7399, 8260, 8909, 10570, 11564, 14455, 14798, 17818, 21140, 28910, 29596, 35636, 36995, 44545, 57820, 62363, 73990, 89090, 124726, 147980, 178180, 249452, 311815, 436541, 623630, 873082, 1247260, 1746164, 2182705, 4365410, 8730820]

約数ペア:

[(1, 8730820), (2, 4365410), (4, 2182705), (5, 1746164), (7, 1247260), (10, 873082), (14, 623630), (20, 436541), (28, 311815), (35, 249452), (49, 178180), (59, 147980), (70, 124726), (98, 89090), (118, 73990), (140, 62363), (151, 57820), (196, 44545), (236, 36995), (245, 35636), (295, 29596), (302, 28910), (413, 21140), (490, 17818), (590, 14798), (604, 14455), (755, 11564), (826, 10570), (980, 8909), (1057, 8260), (1180, 7399), (1510, 5782), (1652, 5285), (2065, 4228), (2114, 4130), (2891, 3020)]