2021283580

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{457}}^1\times {\mathrm{787}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 4274546976

約数和(自身を除く): 2253263396

約数列:

[1, 2, 4, 5, 10, 20, 281, 457, 562, 787, 914, 1124, 1405, 1574, 1828, 2285, 2810, 3148, 3935, 4570, 5620, 7870, 9140, 15740, 128417, 221147, 256834, 359659, 442294, 513668, 642085, 719318, 884588, 1105735, 1284170, 1438636, 1798295, 2211470, 2568340, 3596590, 4422940, 7193180, 101064179, 202128358, 404256716, 505320895, 1010641790, 2021283580]

約数ペア:

[(1, 2021283580), (2, 1010641790), (4, 505320895), (5, 404256716), (10, 202128358), (20, 101064179), (281, 7193180), (457, 4422940), (562, 3596590), (787, 2568340), (914, 2211470), (1124, 1798295), (1405, 1438636), (1574, 1284170), (1828, 1105735), (2285, 884588), (2810, 719318), (3148, 642085), (3935, 513668), (4570, 442294), (5620, 359659), (7870, 256834), (9140, 221147), (15740, 128417)]