28843640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3323}}^1$

素因数の和:3372

約数の個数: 64

約数和(自身を含む): 76584960

約数和(自身を除く): 47741320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 3323, 4340, 6646, 8680, 13292, 16615, 23261, 26584, 33230, 46522, 66460, 93044, 103013, 116305, 132920, 186088, 206026, 232610, 412052, 465220, 515065, 721091, 824104, 930440, 1030130, 1442182, 2060260, 2884364, 3605455, 4120520, 5768728, 7210910, 14421820, 28843640]

約数ペア:

[(1, 28843640), (2, 14421820), (4, 7210910), (5, 5768728), (7, 4120520), (8, 3605455), (10, 2884364), (14, 2060260), (20, 1442182), (28, 1030130), (31, 930440), (35, 824104), (40, 721091), (56, 515065), (62, 465220), (70, 412052), (124, 232610), (140, 206026), (155, 186088), (217, 132920), (248, 116305), (280, 103013), (310, 93044), (434, 66460), (620, 46522), (868, 33230), (1085, 26584), (1240, 23261), (1736, 16615), (2170, 13292), (3323, 8680), (4340, 6646)]