210687620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 540858864

約数和(自身を除く): 330171244

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 37, 44, 52, 55, 65, 74, 110, 121, 130, 143, 148, 181, 185, 220, 242, 260, 286, 362, 370, 407, 481, 484, 572, 605, 715, 724, 740, 814, 905, 962, 1210, 1430, 1573, 1628, 1810, 1924, 1991, 2035, 2353, 2405, 2420, 2860, 3146, 3620, 3982, 4070, 4477, 4706, 4810, 5291, 6292, 6697, 7865, 7964, 8140, 8954, 9412, 9620, 9955, 10582, 11765, 13394, 15730, 17908, 19910, 21164, 21901, 22385, 23530, 25883, 26455, 26788, 31460, 33485, 39820, 43802, 44770, 47060, 51766, 52910, 58201, 66970, 73667, 87061, 87604, 89540, 103532, 105820, 109505, 116402, 129415, 133940, 147334, 174122, 219010, 232804, 258830, 284713, 291005, 294668, 348244, 368335, 435305, 438020, 517660, 569426, 582010, 736670, 810337, 870610, 957671, 1138852, 1164020, 1423565, 1473340, 1620674, 1741220, 1915342, 2847130, 3241348, 3830684, 4051685, 4788355, 5694260, 8103370, 9576710, 10534381, 16206740, 19153420, 21068762, 42137524, 52671905, 105343810, 210687620]

約数ペア:

[(1, 210687620), (2, 105343810), (4, 52671905), (5, 42137524), (10, 21068762), (11, 19153420), (13, 16206740), (20, 10534381), (22, 9576710), (26, 8103370), (37, 5694260), (44, 4788355), (52, 4051685), (55, 3830684), (65, 3241348), (74, 2847130), (110, 1915342), (121, 1741220), (130, 1620674), (143, 1473340), (148, 1423565), (181, 1164020), (185, 1138852), (220, 957671), (242, 870610), (260, 810337), (286, 736670), (362, 582010), (370, 569426), (407, 517660), (481, 438020), (484, 435305), (572, 368335), (605, 348244), (715, 294668), (724, 291005), (740, 284713), (814, 258830), (905, 232804), (962, 219010), (1210, 174122), (1430, 147334), (1573, 133940), (1628, 129415), (1810, 116402), (1924, 109505), (1991, 105820), (2035, 103532), (2353, 89540), (2405, 87604), (2420, 87061), (2860, 73667), (3146, 66970), (3620, 58201), (3982, 52910), (4070, 51766), (4477, 47060), (4706, 44770), (4810, 43802), (5291, 39820), (6292, 33485), (6697, 31460), (7865, 26788), (7964, 26455), (8140, 25883), (8954, 23530), (9412, 22385), (9620, 21901), (9955, 21164), (10582, 19910), (11765, 17908), (13394, 15730)]