862805020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:153

約数の個数: 216

約数和(自身を含む): 2396259936

約数和(自身を除く): 1533454916

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 53, 55, 62, 70, 77, 106, 110, 121, 124, 140, 154, 155, 212, 217, 220, 242, 265, 308, 310, 341, 371, 385, 434, 484, 530, 583, 605, 620, 682, 742, 770, 847, 868, 961, 1060, 1085, 1166, 1210, 1364, 1484, 1540, 1643, 1694, 1705, 1855, 1922, 2170, 2332, 2387, 2420, 2915, 3286, 3388, 3410, 3710, 3751, 3844, 4081, 4235, 4340, 4774, 4805, 5830, 6413, 6572, 6727, 6820, 7420, 7502, 8162, 8215, 8470, 9548, 9610, 10571, 11501, 11660, 11935, 12826, 13454, 15004, 16324, 16430, 16940, 18073, 18755, 19220, 20405, 21142, 23002, 23870, 25652, 26257, 26908, 32065, 32860, 33635, 36146, 37510, 40810, 42284, 44891, 46004, 47740, 50933, 52514, 52855, 57505, 64130, 67270, 72292, 73997, 75020, 81620, 89782, 90365, 101866, 105028, 105710, 115010, 116281, 126511, 128260, 131285, 134540, 147994, 179564, 180730, 198803, 203732, 211420, 224455, 230020, 232562, 253022, 254665, 262570, 295988, 356531, 361460, 369985, 397606, 448910, 465124, 506044, 509330, 525140, 560263, 581405, 632555, 713062, 739970, 795212, 813967, 897820, 994015, 1018660, 1120526, 1162810, 1265110, 1391621, 1426124, 1479940, 1627934, 1782655, 1988030, 2241052, 2325620, 2530220, 2783242, 2801315, 3255868, 3565310, 3921841, 3976060, 4069835, 5566484, 5602630, 6162893, 6958105, 7130620, 7843682, 8139670, 11205260, 12325786, 13916210, 15687364, 16279340, 19609205, 24651572, 27832420, 30814465, 39218410, 43140251, 61628930, 78436820, 86280502, 123257860, 172561004, 215701255, 431402510, 862805020]

約数ペア:

[(1, 862805020), (2, 431402510), (4, 215701255), (5, 172561004), (7, 123257860), (10, 86280502), (11, 78436820), (14, 61628930), (20, 43140251), (22, 39218410), (28, 30814465), (31, 27832420), (35, 24651572), (44, 19609205), (53, 16279340), (55, 15687364), (62, 13916210), (70, 12325786), (77, 11205260), (106, 8139670), (110, 7843682), (121, 7130620), (124, 6958105), (140, 6162893), (154, 5602630), (155, 5566484), (212, 4069835), (217, 3976060), (220, 3921841), (242, 3565310), (265, 3255868), (308, 2801315), (310, 2783242), (341, 2530220), (371, 2325620), (385, 2241052), (434, 1988030), (484, 1782655), (530, 1627934), (583, 1479940), (605, 1426124), (620, 1391621), (682, 1265110), (742, 1162810), (770, 1120526), (847, 1018660), (868, 994015), (961, 897820), (1060, 813967), (1085, 795212), (1166, 739970), (1210, 713062), (1364, 632555), (1484, 581405), (1540, 560263), (1643, 525140), (1694, 509330), (1705, 506044), (1855, 465124), (1922, 448910), (2170, 397606), (2332, 369985), (2387, 361460), (2420, 356531), (2915, 295988), (3286, 262570), (3388, 254665), (3410, 253022), (3710, 232562), (3751, 230020), (3844, 224455), (4081, 211420), (4235, 203732), (4340, 198803), (4774, 180730), (4805, 179564), (5830, 147994), (6413, 134540), (6572, 131285), (6727, 128260), (6820, 126511), (7420, 116281), (7502, 115010), (8162, 105710), (8215, 105028), (8470, 101866), (9548, 90365), (9610, 89782), (10571, 81620), (11501, 75020), (11660, 73997), (11935, 72292), (12826, 67270), (13454, 64130), (15004, 57505), (16324, 52855), (16430, 52514), (16940, 50933), (18073, 47740), (18755, 46004), (19220, 44891), (20405, 42284), (21142, 40810), (23002, 37510), (23870, 36146), (25652, 33635), (26257, 32860), (26908, 32065)]