2475970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 5384448

約数和(自身を除く): 2908478

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 163, 217, 245, 310, 326, 434, 490, 815, 1085, 1141, 1519, 1630, 2170, 2282, 3038, 5053, 5705, 7595, 7987, 10106, 11410, 15190, 15974, 25265, 35371, 39935, 50530, 70742, 79870, 176855, 247597, 353710, 495194, 1237985, 2475970]

約数ペア:

[(1, 2475970), (2, 1237985), (5, 495194), (7, 353710), (10, 247597), (14, 176855), (31, 79870), (35, 70742), (49, 50530), (62, 39935), (70, 35371), (98, 25265), (155, 15974), (163, 15190), (217, 11410), (245, 10106), (310, 7987), (326, 7595), (434, 5705), (490, 5053), (815, 3038), (1085, 2282), (1141, 2170), (1519, 1630)]