389670540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{132541}}^1$

素因数の和:132567

約数の個数: 72

約数和(自身を含む): 1269222192

約数和(自身を除く): 879551652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 132541, 265082, 397623, 530164, 662705, 795246, 927787, 1325410, 1590492, 1855574, 1988115, 2650820, 2783361, 3711148, 3976230, 4638935, 5566722, 6494509, 7952460, 9277870, 11133444, 12989018, 13916805, 18555740, 19483527, 25978036, 27833610, 32472545, 38967054, 55667220, 64945090, 77934108, 97417635, 129890180, 194835270, 389670540]

約数ペア:

[(1, 389670540), (2, 194835270), (3, 129890180), (4, 97417635), (5, 77934108), (6, 64945090), (7, 55667220), (10, 38967054), (12, 32472545), (14, 27833610), (15, 25978036), (20, 19483527), (21, 18555740), (28, 13916805), (30, 12989018), (35, 11133444), (42, 9277870), (49, 7952460), (60, 6494509), (70, 5566722), (84, 4638935), (98, 3976230), (105, 3711148), (140, 2783361), (147, 2650820), (196, 1988115), (210, 1855574), (245, 1590492), (294, 1325410), (420, 927787), (490, 795246), (588, 662705), (735, 530164), (980, 397623), (1470, 265082), (2940, 132541)]