51068780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:136

約数の個数: 108

約数和(自身を含む): 131995584

約数和(自身を除く): 80926804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 41, 49, 62, 70, 82, 98, 124, 140, 155, 164, 196, 205, 217, 245, 287, 310, 410, 434, 490, 574, 620, 820, 868, 980, 1085, 1148, 1271, 1435, 1519, 1681, 2009, 2170, 2542, 2870, 3038, 3362, 4018, 4340, 5084, 5740, 6076, 6355, 6724, 7595, 8036, 8405, 8897, 10045, 11767, 12710, 15190, 16810, 17794, 20090, 23534, 25420, 30380, 33620, 35588, 40180, 44485, 47068, 52111, 58835, 62279, 82369, 88970, 104222, 117670, 124558, 164738, 177940, 208444, 235340, 249116, 260555, 311395, 329476, 364777, 411845, 521110, 622790, 729554, 823690, 1042220, 1245580, 1459108, 1647380, 1823885, 2553439, 3647770, 5106878, 7295540, 10213756, 12767195, 25534390, 51068780]

約数ペア:

[(1, 51068780), (2, 25534390), (4, 12767195), (5, 10213756), (7, 7295540), (10, 5106878), (14, 3647770), (20, 2553439), (28, 1823885), (31, 1647380), (35, 1459108), (41, 1245580), (49, 1042220), (62, 823690), (70, 729554), (82, 622790), (98, 521110), (124, 411845), (140, 364777), (155, 329476), (164, 311395), (196, 260555), (205, 249116), (217, 235340), (245, 208444), (287, 177940), (310, 164738), (410, 124558), (434, 117670), (490, 104222), (574, 88970), (620, 82369), (820, 62279), (868, 58835), (980, 52111), (1085, 47068), (1148, 44485), (1271, 40180), (1435, 35588), (1519, 33620), (1681, 30380), (2009, 25420), (2170, 23534), (2542, 20090), (2870, 17794), (3038, 16810), (3362, 15190), (4018, 12710), (4340, 11767), (5084, 10045), (5740, 8897), (6076, 8405), (6355, 8036), (6724, 7595)]