217950460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3863}}^1$

素因数の和:3923

約数の個数: 96

約数和(自身を含む): 581640192

約数和(自身を除く): 363689732

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1612, 1820, 2015, 2170, 2821, 3863, 4030, 4340, 5642, 7726, 8060, 11284, 14105, 15452, 19315, 27041, 28210, 38630, 50219, 54082, 56420, 77260, 100438, 108164, 119753, 135205, 200876, 239506, 251095, 270410, 351533, 479012, 502190, 540820, 598765, 703066, 838271, 1004380, 1197530, 1406132, 1556789, 1676542, 1757665, 2395060, 3113578, 3353084, 3515330, 4191355, 6227156, 7030660, 7783945, 8382710, 10897523, 15567890, 16765420, 21795046, 31135780, 43590092, 54487615, 108975230, 217950460]

約数ペア:

[(1, 217950460), (2, 108975230), (4, 54487615), (5, 43590092), (7, 31135780), (10, 21795046), (13, 16765420), (14, 15567890), (20, 10897523), (26, 8382710), (28, 7783945), (31, 7030660), (35, 6227156), (52, 4191355), (62, 3515330), (65, 3353084), (70, 3113578), (91, 2395060), (124, 1757665), (130, 1676542), (140, 1556789), (155, 1406132), (182, 1197530), (217, 1004380), (260, 838271), (310, 703066), (364, 598765), (403, 540820), (434, 502190), (455, 479012), (620, 351533), (806, 270410), (868, 251095), (910, 239506), (1085, 200876), (1612, 135205), (1820, 119753), (2015, 108164), (2170, 100438), (2821, 77260), (3863, 56420), (4030, 54082), (4340, 50219), (5642, 38630), (7726, 28210), (8060, 27041), (11284, 19315), (14105, 15452)]