216719370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{821}}^1$

素因数の和:1260

約数の個数: 96

約数和(自身を含む): 646289280

約数和(自身を除く): 429569910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 419, 630, 821, 838, 1257, 1642, 2095, 2463, 2514, 2933, 3771, 4105, 4190, 4926, 5747, 5866, 6285, 7389, 7542, 8210, 8799, 11494, 12315, 12570, 14665, 14778, 17241, 17598, 18855, 24630, 26397, 28735, 29330, 34482, 36945, 37710, 43995, 51723, 52794, 57470, 73890, 86205, 87990, 103446, 131985, 172410, 258615, 263970, 343999, 517230, 687998, 1031997, 1719995, 2063994, 2407993, 3095991, 3439990, 4815986, 5159985, 6191982, 7223979, 10319970, 12039965, 14447958, 15479955, 21671937, 24079930, 30959910, 36119895, 43343874, 72239790, 108359685, 216719370]

約数ペア:

[(1, 216719370), (2, 108359685), (3, 72239790), (5, 43343874), (6, 36119895), (7, 30959910), (9, 24079930), (10, 21671937), (14, 15479955), (15, 14447958), (18, 12039965), (21, 10319970), (30, 7223979), (35, 6191982), (42, 5159985), (45, 4815986), (63, 3439990), (70, 3095991), (90, 2407993), (105, 2063994), (126, 1719995), (210, 1031997), (315, 687998), (419, 517230), (630, 343999), (821, 263970), (838, 258615), (1257, 172410), (1642, 131985), (2095, 103446), (2463, 87990), (2514, 86205), (2933, 73890), (3771, 57470), (4105, 52794), (4190, 51723), (4926, 43995), (5747, 37710), (5866, 36945), (6285, 34482), (7389, 29330), (7542, 28735), (8210, 26397), (8799, 24630), (11494, 18855), (12315, 17598), (12570, 17241), (14665, 14778)]