268538270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:370

約数の個数: 128

約数和(自身を含む): 657054720

約数和(自身を除く): 388516450

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 139, 143, 154, 182, 193, 278, 286, 385, 386, 455, 695, 715, 770, 910, 965, 973, 1001, 1351, 1390, 1430, 1529, 1807, 1930, 1946, 2002, 2123, 2509, 2702, 3058, 3614, 4246, 4865, 5005, 5018, 6755, 7645, 9035, 9730, 10010, 10615, 10703, 12545, 12649, 13510, 14861, 15290, 17563, 18070, 19877, 21230, 21406, 25090, 25298, 26827, 27599, 29722, 35126, 39754, 53515, 53654, 55198, 63245, 74305, 87815, 99385, 107030, 126490, 134135, 137995, 139139, 148610, 175630, 187789, 193193, 198770, 268270, 275990, 278278, 295097, 348751, 375578, 386386, 590194, 695695, 697502, 938945, 965965, 1391390, 1475485, 1743755, 1877890, 1931930, 2065679, 2441257, 2950970, 3487510, 3836261, 4131358, 4882514, 7672522, 10328395, 12206285, 19181305, 20656790, 24412570, 26853827, 38362610, 53707654, 134269135, 268538270]

約数ペア:

[(1, 268538270), (2, 134269135), (5, 53707654), (7, 38362610), (10, 26853827), (11, 24412570), (13, 20656790), (14, 19181305), (22, 12206285), (26, 10328395), (35, 7672522), (55, 4882514), (65, 4131358), (70, 3836261), (77, 3487510), (91, 2950970), (110, 2441257), (130, 2065679), (139, 1931930), (143, 1877890), (154, 1743755), (182, 1475485), (193, 1391390), (278, 965965), (286, 938945), (385, 697502), (386, 695695), (455, 590194), (695, 386386), (715, 375578), (770, 348751), (910, 295097), (965, 278278), (973, 275990), (1001, 268270), (1351, 198770), (1390, 193193), (1430, 187789), (1529, 175630), (1807, 148610), (1930, 139139), (1946, 137995), (2002, 134135), (2123, 126490), (2509, 107030), (2702, 99385), (3058, 87815), (3614, 74305), (4246, 63245), (4865, 55198), (5005, 53654), (5018, 53515), (6755, 39754), (7645, 35126), (9035, 29722), (9730, 27599), (10010, 26827), (10615, 25298), (10703, 25090), (12545, 21406), (12649, 21230), (13510, 19877), (14861, 18070), (15290, 17563)]