378050820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{900121}}^1$

素因数の和:900140

約数の個数: 48

約数和(自身を含む): 1209763968

約数和(自身を除く): 831713148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 900121, 1800242, 2700363, 3600484, 4500605, 5400726, 6300847, 9001210, 10801452, 12601694, 13501815, 18002420, 18902541, 25203388, 27003630, 31504235, 37805082, 54007260, 63008470, 75610164, 94512705, 126016940, 189025410, 378050820]

約数ペア:

[(1, 378050820), (2, 189025410), (3, 126016940), (4, 94512705), (5, 75610164), (6, 63008470), (7, 54007260), (10, 37805082), (12, 31504235), (14, 27003630), (15, 25203388), (20, 18902541), (21, 18002420), (28, 13501815), (30, 12601694), (35, 10801452), (42, 9001210), (60, 6300847), (70, 5400726), (84, 4500605), (105, 3600484), (140, 2700363), (210, 1800242), (420, 900121)]