4400190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 12038400

約数和(自身を除く): 7638210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 258, 270, 379, 387, 430, 645, 758, 774, 1137, 1161, 1290, 1895, 1935, 2274, 2322, 3411, 3790, 3870, 5685, 5805, 6822, 10233, 11370, 11610, 16297, 17055, 20466, 32594, 34110, 48891, 51165, 81485, 97782, 102330, 146673, 162970, 244455, 293346, 440019, 488910, 733365, 880038, 1466730, 2200095, 4400190]

約数ペア:

[(1, 4400190), (2, 2200095), (3, 1466730), (5, 880038), (6, 733365), (9, 488910), (10, 440019), (15, 293346), (18, 244455), (27, 162970), (30, 146673), (43, 102330), (45, 97782), (54, 81485), (86, 51165), (90, 48891), (129, 34110), (135, 32594), (215, 20466), (258, 17055), (270, 16297), (379, 11610), (387, 11370), (430, 10233), (645, 6822), (758, 5805), (774, 5685), (1137, 3870), (1161, 3790), (1290, 3411), (1895, 2322), (1935, 2274)]