87230680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 201204000

約数和(自身を除く): 113973320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 107, 178, 214, 229, 356, 428, 445, 458, 535, 712, 856, 890, 916, 1070, 1145, 1780, 1832, 2140, 2290, 3560, 4280, 4580, 9160, 9523, 19046, 20381, 24503, 38092, 40762, 47615, 49006, 76184, 81524, 95230, 98012, 101905, 122515, 163048, 190460, 196024, 203810, 245030, 380920, 407620, 490060, 815240, 980120, 2180767, 4361534, 8723068, 10903835, 17446136, 21807670, 43615340, 87230680]

約数ペア:

[(1, 87230680), (2, 43615340), (4, 21807670), (5, 17446136), (8, 10903835), (10, 8723068), (20, 4361534), (40, 2180767), (89, 980120), (107, 815240), (178, 490060), (214, 407620), (229, 380920), (356, 245030), (428, 203810), (445, 196024), (458, 190460), (535, 163048), (712, 122515), (856, 101905), (890, 98012), (916, 95230), (1070, 81524), (1145, 76184), (1780, 49006), (1832, 47615), (2140, 40762), (2290, 38092), (3560, 24503), (4280, 20381), (4580, 19046), (9160, 9523)]