268308920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 685843200

約数和(自身を除く): 417534280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 107, 110, 139, 164, 205, 214, 220, 278, 328, 410, 428, 440, 451, 535, 556, 695, 820, 856, 902, 1070, 1112, 1177, 1390, 1529, 1640, 1804, 2140, 2255, 2354, 2780, 3058, 3608, 4280, 4387, 4510, 4708, 5560, 5699, 5885, 6116, 7645, 8774, 9020, 9416, 11398, 11770, 12232, 14873, 15290, 17548, 18040, 21935, 22796, 23540, 28495, 29746, 30580, 35096, 43870, 45592, 47080, 48257, 56990, 59492, 61160, 62689, 74365, 87740, 96514, 113980, 118984, 125378, 148730, 163603, 175480, 193028, 227960, 241285, 250756, 297460, 313445, 327206, 386056, 482570, 501512, 594920, 609793, 626890, 654412, 818015, 965140, 1219586, 1253780, 1308824, 1636030, 1930280, 2439172, 2507560, 3048965, 3272060, 4878344, 6097930, 6544120, 6707723, 12195860, 13415446, 24391720, 26830892, 33538615, 53661784, 67077230, 134154460, 268308920]

約数ペア:

[(1, 268308920), (2, 134154460), (4, 67077230), (5, 53661784), (8, 33538615), (10, 26830892), (11, 24391720), (20, 13415446), (22, 12195860), (40, 6707723), (41, 6544120), (44, 6097930), (55, 4878344), (82, 3272060), (88, 3048965), (107, 2507560), (110, 2439172), (139, 1930280), (164, 1636030), (205, 1308824), (214, 1253780), (220, 1219586), (278, 965140), (328, 818015), (410, 654412), (428, 626890), (440, 609793), (451, 594920), (535, 501512), (556, 482570), (695, 386056), (820, 327206), (856, 313445), (902, 297460), (1070, 250756), (1112, 241285), (1177, 227960), (1390, 193028), (1529, 175480), (1640, 163603), (1804, 148730), (2140, 125378), (2255, 118984), (2354, 113980), (2780, 96514), (3058, 87740), (3608, 74365), (4280, 62689), (4387, 61160), (4510, 59492), (4708, 56990), (5560, 48257), (5699, 47080), (5885, 45592), (6116, 43870), (7645, 35096), (8774, 30580), (9020, 29746), (9416, 28495), (11398, 23540), (11770, 22796), (12232, 21935), (14873, 18040), (15290, 17548)]