855403780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1087}}^1$

素因数の和:1194

約数の個数: 144

約数和(自身を含む): 2312948736

約数和(自身を除く): 1457544956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 73, 77, 98, 110, 140, 146, 154, 196, 220, 245, 292, 308, 365, 385, 490, 511, 539, 730, 770, 803, 980, 1022, 1078, 1087, 1460, 1540, 1606, 2044, 2156, 2174, 2555, 2695, 3212, 3577, 4015, 4348, 5110, 5390, 5435, 5621, 7154, 7609, 8030, 10220, 10780, 10870, 11242, 11957, 14308, 15218, 16060, 17885, 21740, 22484, 23914, 28105, 30436, 35770, 38045, 39347, 47828, 53263, 56210, 59785, 71540, 76090, 78694, 79351, 83699, 106526, 112420, 119570, 152180, 157388, 158702, 167398, 196735, 213052, 239140, 266315, 317404, 334796, 393470, 396755, 418495, 532630, 555457, 585893, 786940, 793510, 836990, 872861, 1065260, 1110914, 1171786, 1587020, 1673980, 1745722, 2221828, 2343572, 2777285, 2929465, 3491444, 3888199, 4364305, 5554570, 5858930, 6110027, 7776398, 8728610, 11109140, 11717860, 12220054, 15552796, 17457220, 19440995, 24440108, 30550135, 38881990, 42770189, 61100270, 77763980, 85540378, 122200540, 171080756, 213850945, 427701890, 855403780]

約数ペア:

[(1, 855403780), (2, 427701890), (4, 213850945), (5, 171080756), (7, 122200540), (10, 85540378), (11, 77763980), (14, 61100270), (20, 42770189), (22, 38881990), (28, 30550135), (35, 24440108), (44, 19440995), (49, 17457220), (55, 15552796), (70, 12220054), (73, 11717860), (77, 11109140), (98, 8728610), (110, 7776398), (140, 6110027), (146, 5858930), (154, 5554570), (196, 4364305), (220, 3888199), (245, 3491444), (292, 2929465), (308, 2777285), (365, 2343572), (385, 2221828), (490, 1745722), (511, 1673980), (539, 1587020), (730, 1171786), (770, 1110914), (803, 1065260), (980, 872861), (1022, 836990), (1078, 793510), (1087, 786940), (1460, 585893), (1540, 555457), (1606, 532630), (2044, 418495), (2156, 396755), (2174, 393470), (2555, 334796), (2695, 317404), (3212, 266315), (3577, 239140), (4015, 213052), (4348, 196735), (5110, 167398), (5390, 158702), (5435, 157388), (5621, 152180), (7154, 119570), (7609, 112420), (8030, 106526), (10220, 83699), (10780, 79351), (10870, 78694), (11242, 76090), (11957, 71540), (14308, 59785), (15218, 56210), (16060, 53263), (17885, 47828), (21740, 39347), (22484, 38045), (23914, 35770), (28105, 30436)]