788561180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{9929}}^1$

素因数の和:9987

約数の個数: 72

約数和(自身を含む): 1906798320

約数和(自身を除く): 1118237140

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1805, 2090, 3610, 3971, 4180, 7220, 7942, 9929, 15884, 19855, 19858, 39710, 39716, 49645, 79420, 99290, 109219, 188651, 198580, 218438, 377302, 436876, 546095, 754604, 943255, 1092190, 1886510, 2075161, 2184380, 3584369, 3773020, 4150322, 7168738, 8300644, 10375805, 14337476, 17921845, 20751610, 35843690, 39428059, 41503220, 71687380, 78856118, 157712236, 197140295, 394280590, 788561180]

約数ペア:

[(1, 788561180), (2, 394280590), (4, 197140295), (5, 157712236), (10, 78856118), (11, 71687380), (19, 41503220), (20, 39428059), (22, 35843690), (38, 20751610), (44, 17921845), (55, 14337476), (76, 10375805), (95, 8300644), (110, 7168738), (190, 4150322), (209, 3773020), (220, 3584369), (361, 2184380), (380, 2075161), (418, 1886510), (722, 1092190), (836, 943255), (1045, 754604), (1444, 546095), (1805, 436876), (2090, 377302), (3610, 218438), (3971, 198580), (4180, 188651), (7220, 109219), (7942, 99290), (9929, 79420), (15884, 49645), (19855, 39716), (19858, 39710)]