894140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 2140320

約数和(自身を除く): 1246180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 181, 190, 247, 260, 362, 380, 494, 724, 905, 988, 1235, 1810, 2353, 2470, 3439, 3620, 4706, 4940, 6878, 9412, 11765, 13756, 17195, 23530, 34390, 44707, 47060, 68780, 89414, 178828, 223535, 447070, 894140]

約数ペア:

[(1, 894140), (2, 447070), (4, 223535), (5, 178828), (10, 89414), (13, 68780), (19, 47060), (20, 44707), (26, 34390), (38, 23530), (52, 17195), (65, 13756), (76, 11765), (95, 9412), (130, 6878), (181, 4940), (190, 4706), (247, 3620), (260, 3439), (362, 2470), (380, 2353), (494, 1810), (724, 1235), (905, 988)]