1284341780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{55987}}^1$

素因数の和:56064

約数の個数: 48

約数和(自身を含む): 2859419136

約数和(自身を除く): 1575077356

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 11470, 22940, 55987, 111974, 223948, 279935, 559870, 1119740, 1735597, 2071519, 3471194, 4143038, 6942388, 8286076, 8677985, 10357595, 17355970, 20715190, 34711940, 41430380, 64217089, 128434178, 256868356, 321085445, 642170890, 1284341780]

約数ペア:

[(1, 1284341780), (2, 642170890), (4, 321085445), (5, 256868356), (10, 128434178), (20, 64217089), (31, 41430380), (37, 34711940), (62, 20715190), (74, 17355970), (124, 10357595), (148, 8677985), (155, 8286076), (185, 6942388), (310, 4143038), (370, 3471194), (620, 2071519), (740, 1735597), (1147, 1119740), (2294, 559870), (4588, 279935), (5735, 223948), (11470, 111974), (22940, 55987)]