28855890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 86576256

約数和(自身を除く): 57720366

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 163, 210, 281, 315, 326, 489, 562, 630, 815, 843, 978, 1141, 1405, 1467, 1630, 1686, 1967, 2282, 2445, 2529, 2810, 2934, 3423, 3934, 4215, 4890, 5058, 5705, 5901, 6846, 7335, 8430, 9835, 10269, 11410, 11802, 12645, 14670, 17115, 17703, 19670, 20538, 25290, 29505, 34230, 35406, 45803, 51345, 59010, 88515, 91606, 102690, 137409, 177030, 229015, 274818, 320621, 412227, 458030, 641242, 687045, 824454, 961863, 1374090, 1603105, 1923726, 2061135, 2885589, 3206210, 4122270, 4809315, 5771178, 9618630, 14427945, 28855890]

約数ペア:

[(1, 28855890), (2, 14427945), (3, 9618630), (5, 5771178), (6, 4809315), (7, 4122270), (9, 3206210), (10, 2885589), (14, 2061135), (15, 1923726), (18, 1603105), (21, 1374090), (30, 961863), (35, 824454), (42, 687045), (45, 641242), (63, 458030), (70, 412227), (90, 320621), (105, 274818), (126, 229015), (163, 177030), (210, 137409), (281, 102690), (315, 91606), (326, 88515), (489, 59010), (562, 51345), (630, 45803), (815, 35406), (843, 34230), (978, 29505), (1141, 25290), (1405, 20538), (1467, 19670), (1630, 17703), (1686, 17115), (1967, 14670), (2282, 12645), (2445, 11802), (2529, 11410), (2810, 10269), (2934, 9835), (3423, 8430), (3934, 7335), (4215, 6846), (4890, 5901), (5058, 5705)]