17750740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 26490380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 307, 413, 490, 590, 614, 826, 980, 1180, 1228, 1535, 1652, 2065, 2149, 2891, 3070, 4130, 4298, 5782, 6140, 8260, 8596, 10745, 11564, 14455, 15043, 18113, 21490, 28910, 30086, 36226, 42980, 57820, 60172, 72452, 75215, 90565, 126791, 150430, 181130, 253582, 300860, 362260, 507164, 633955, 887537, 1267910, 1775074, 2535820, 3550148, 4437685, 8875370, 17750740]

約数ペア:

[(1, 17750740), (2, 8875370), (4, 4437685), (5, 3550148), (7, 2535820), (10, 1775074), (14, 1267910), (20, 887537), (28, 633955), (35, 507164), (49, 362260), (59, 300860), (70, 253582), (98, 181130), (118, 150430), (140, 126791), (196, 90565), (236, 75215), (245, 72452), (295, 60172), (307, 57820), (413, 42980), (490, 36226), (590, 30086), (614, 28910), (826, 21490), (980, 18113), (1180, 15043), (1228, 14455), (1535, 11564), (1652, 10745), (2065, 8596), (2149, 8260), (2891, 6140), (3070, 5782), (4130, 4298)]