2215641890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{261587}}^1$

素因数の和:261623

約数の個数: 48

約数和(自身を含む): 5009933376

約数和(自身を除く): 2794291486

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 4235, 8470, 261587, 523174, 1307935, 1831109, 2615870, 2877457, 3662218, 5754914, 9155545, 14387285, 18311090, 20142199, 28774570, 31652027, 40284398, 63304054, 100710995, 158260135, 201421990, 221564189, 316520270, 443128378, 1107820945, 2215641890]

約数ペア:

[(1, 2215641890), (2, 1107820945), (5, 443128378), (7, 316520270), (10, 221564189), (11, 201421990), (14, 158260135), (22, 100710995), (35, 63304054), (55, 40284398), (70, 31652027), (77, 28774570), (110, 20142199), (121, 18311090), (154, 14387285), (242, 9155545), (385, 5754914), (605, 3662218), (770, 2877457), (847, 2615870), (1210, 1831109), (1694, 1307935), (4235, 523174), (8470, 261587)]