1279850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 2812320

約数和(自身を除く): 1532470

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 179, 275, 286, 325, 358, 550, 650, 715, 895, 1430, 1790, 1969, 2327, 3575, 3938, 4475, 4654, 7150, 8950, 9845, 11635, 19690, 23270, 25597, 49225, 51194, 58175, 98450, 116350, 127985, 255970, 639925, 1279850]

約数ペア:

[(1, 1279850), (2, 639925), (5, 255970), (10, 127985), (11, 116350), (13, 98450), (22, 58175), (25, 51194), (26, 49225), (50, 25597), (55, 23270), (65, 19690), (110, 11635), (130, 9845), (143, 8950), (179, 7150), (275, 4654), (286, 4475), (325, 3938), (358, 3575), (550, 2327), (650, 1969), (715, 1790), (895, 1430)]