217986340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^3\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 558376560

約数和(自身を除く): 340390220

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 41, 44, 52, 55, 65, 82, 110, 121, 130, 143, 164, 169, 205, 220, 242, 260, 286, 338, 410, 451, 484, 533, 572, 605, 676, 715, 820, 845, 902, 1066, 1210, 1430, 1573, 1690, 1804, 1859, 2132, 2197, 2255, 2420, 2665, 2860, 3146, 3380, 3718, 4394, 4510, 4961, 5330, 5863, 6292, 6929, 7436, 7865, 8788, 9020, 9295, 9922, 10660, 10985, 11726, 13858, 15730, 18590, 19844, 20449, 21970, 23452, 24167, 24805, 27716, 29315, 31460, 34645, 37180, 40898, 43940, 48334, 49610, 58630, 64493, 69290, 76219, 81796, 90077, 96668, 99220, 102245, 117260, 120835, 128986, 138580, 152438, 180154, 204490, 241670, 257972, 265837, 304876, 322465, 360308, 381095, 408980, 450385, 483340, 531674, 644930, 762190, 838409, 900770, 990847, 1063348, 1289860, 1329185, 1524380, 1676818, 1801540, 1981694, 2658370, 3353636, 3963388, 4192045, 4954235, 5316740, 8384090, 9908470, 10899317, 16768180, 19816940, 21798634, 43597268, 54496585, 108993170, 217986340]

約数ペア:

[(1, 217986340), (2, 108993170), (4, 54496585), (5, 43597268), (10, 21798634), (11, 19816940), (13, 16768180), (20, 10899317), (22, 9908470), (26, 8384090), (41, 5316740), (44, 4954235), (52, 4192045), (55, 3963388), (65, 3353636), (82, 2658370), (110, 1981694), (121, 1801540), (130, 1676818), (143, 1524380), (164, 1329185), (169, 1289860), (205, 1063348), (220, 990847), (242, 900770), (260, 838409), (286, 762190), (338, 644930), (410, 531674), (451, 483340), (484, 450385), (533, 408980), (572, 381095), (605, 360308), (676, 322465), (715, 304876), (820, 265837), (845, 257972), (902, 241670), (1066, 204490), (1210, 180154), (1430, 152438), (1573, 138580), (1690, 128986), (1804, 120835), (1859, 117260), (2132, 102245), (2197, 99220), (2255, 96668), (2420, 90077), (2665, 81796), (2860, 76219), (3146, 69290), (3380, 64493), (3718, 58630), (4394, 49610), (4510, 48334), (4961, 43940), (5330, 40898), (5863, 37180), (6292, 34645), (6929, 31460), (7436, 29315), (7865, 27716), (8788, 24805), (9020, 24167), (9295, 23452), (9922, 21970), (10660, 20449), (10985, 19844), (11726, 18590), (13858, 15730)]