2689969510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 5072191488

約数和(自身を除く): 2382221978

約数列:

[1, 2, 5, 10, 31, 62, 155, 181, 191, 251, 310, 362, 382, 502, 905, 955, 1255, 1810, 1910, 2510, 5611, 5921, 7781, 11222, 11842, 15562, 28055, 29605, 34571, 38905, 45431, 47941, 56110, 59210, 69142, 77810, 90862, 95882, 172855, 227155, 239705, 345710, 454310, 479410, 1071701, 1408361, 1486171, 2143402, 2816722, 2972342, 5358505, 7041805, 7430855, 8677321, 10717010, 14083610, 14861710, 17354642, 43386605, 86773210, 268996951, 537993902, 1344984755, 2689969510]

約数ペア:

[(1, 2689969510), (2, 1344984755), (5, 537993902), (10, 268996951), (31, 86773210), (62, 43386605), (155, 17354642), (181, 14861710), (191, 14083610), (251, 10717010), (310, 8677321), (362, 7430855), (382, 7041805), (502, 5358505), (905, 2972342), (955, 2816722), (1255, 2143402), (1810, 1486171), (1910, 1408361), (2510, 1071701), (5611, 479410), (5921, 454310), (7781, 345710), (11222, 239705), (11842, 227155), (15562, 172855), (28055, 95882), (29605, 90862), (34571, 77810), (38905, 69142), (45431, 59210), (47941, 56110)]