210955195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 310210560

約数和(自身を除く): 99255365

約数列:

[1, 5, 11, 19, 23, 55, 67, 95, 115, 131, 209, 253, 335, 437, 655, 737, 1045, 1265, 1273, 1441, 1541, 2185, 2489, 3013, 3685, 4807, 6365, 7205, 7705, 8777, 12445, 14003, 15065, 16951, 24035, 27379, 29279, 33143, 43885, 57247, 70015, 84755, 96547, 136895, 146395, 165715, 166763, 201871, 286235, 322069, 482735, 629717, 833815, 1009355, 1610345, 1834393, 2220581, 3148585, 3835549, 9171965, 11102905, 19177745, 42191039, 210955195]

約数ペア:

[(1, 210955195), (5, 42191039), (11, 19177745), (19, 11102905), (23, 9171965), (55, 3835549), (67, 3148585), (95, 2220581), (115, 1834393), (131, 1610345), (209, 1009355), (253, 833815), (335, 629717), (437, 482735), (655, 322069), (737, 286235), (1045, 201871), (1265, 166763), (1273, 165715), (1441, 146395), (1541, 136895), (2185, 96547), (2489, 84755), (3013, 70015), (3685, 57247), (4807, 43885), (6365, 33143), (7205, 29279), (7705, 27379), (8777, 24035), (12445, 16951), (14003, 15065)]