28098910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 62599680

約数和(自身を除く): 34500770

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 37, 38, 70, 74, 95, 133, 185, 190, 259, 266, 370, 518, 571, 665, 703, 1142, 1295, 1330, 1406, 2590, 2855, 3515, 3997, 4921, 5710, 7030, 7994, 9842, 10849, 19985, 21127, 21698, 24605, 39970, 42254, 49210, 54245, 75943, 105635, 108490, 147889, 151886, 211270, 295778, 379715, 401413, 739445, 759430, 802826, 1478890, 2007065, 2809891, 4014130, 5619782, 14049455, 28098910]

約数ペア:

[(1, 28098910), (2, 14049455), (5, 5619782), (7, 4014130), (10, 2809891), (14, 2007065), (19, 1478890), (35, 802826), (37, 759430), (38, 739445), (70, 401413), (74, 379715), (95, 295778), (133, 211270), (185, 151886), (190, 147889), (259, 108490), (266, 105635), (370, 75943), (518, 54245), (571, 49210), (665, 42254), (703, 39970), (1142, 24605), (1295, 21698), (1330, 21127), (1406, 19985), (2590, 10849), (2855, 9842), (3515, 7994), (3997, 7030), (4921, 5710)]