157218140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2089}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 341288640

約数和(自身を除く): 184070500

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 142, 212, 265, 284, 355, 530, 710, 1060, 1420, 2089, 3763, 4178, 7526, 8356, 10445, 15052, 18815, 20890, 37630, 41780, 75260, 110717, 148319, 221434, 296638, 442868, 553585, 593276, 741595, 1107170, 1483190, 2214340, 2966380, 7860907, 15721814, 31443628, 39304535, 78609070, 157218140]

約数ペア:

[(1, 157218140), (2, 78609070), (4, 39304535), (5, 31443628), (10, 15721814), (20, 7860907), (53, 2966380), (71, 2214340), (106, 1483190), (142, 1107170), (212, 741595), (265, 593276), (284, 553585), (355, 442868), (530, 296638), (710, 221434), (1060, 148319), (1420, 110717), (2089, 75260), (3763, 41780), (4178, 37630), (7526, 20890), (8356, 18815), (10445, 15052)]