2021983460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{68449}}^1$

素因数の和:68676

約数の個数: 48

約数和(自身を含む): 4875830400

約数和(自身を除く): 2853846940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5908, 7385, 14770, 29540, 68449, 136898, 273796, 342245, 479143, 684490, 958286, 1368980, 1916572, 2395715, 4791430, 9582860, 14442739, 28885478, 57770956, 72213695, 101099173, 144427390, 202198346, 288854780, 404396692, 505495865, 1010991730, 2021983460]

約数ペア:

[(1, 2021983460), (2, 1010991730), (4, 505495865), (5, 404396692), (7, 288854780), (10, 202198346), (14, 144427390), (20, 101099173), (28, 72213695), (35, 57770956), (70, 28885478), (140, 14442739), (211, 9582860), (422, 4791430), (844, 2395715), (1055, 1916572), (1477, 1368980), (2110, 958286), (2954, 684490), (4220, 479143), (5908, 342245), (7385, 273796), (14770, 136898), (29540, 68449)]