259118240

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 629959680

約数和(自身を除く): 370841440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 139, 160, 191, 244, 278, 305, 382, 488, 556, 610, 695, 764, 955, 976, 1112, 1220, 1390, 1528, 1910, 1952, 2224, 2440, 2780, 3056, 3820, 4448, 4880, 5560, 6112, 7640, 8479, 9760, 11120, 11651, 15280, 16958, 22240, 23302, 26549, 30560, 33916, 42395, 46604, 53098, 58255, 67832, 84790, 93208, 106196, 116510, 132745, 135664, 169580, 186416, 212392, 233020, 265490, 271328, 339160, 372832, 424784, 466040, 530980, 678320, 849568, 932080, 1061960, 1356640, 1619489, 1864160, 2123920, 3238978, 4247840, 6477956, 8097445, 12955912, 16194890, 25911824, 32389780, 51823648, 64779560, 129559120, 259118240]

約数ペア:

[(1, 259118240), (2, 129559120), (4, 64779560), (5, 51823648), (8, 32389780), (10, 25911824), (16, 16194890), (20, 12955912), (32, 8097445), (40, 6477956), (61, 4247840), (80, 3238978), (122, 2123920), (139, 1864160), (160, 1619489), (191, 1356640), (244, 1061960), (278, 932080), (305, 849568), (382, 678320), (488, 530980), (556, 466040), (610, 424784), (695, 372832), (764, 339160), (955, 271328), (976, 265490), (1112, 233020), (1220, 212392), (1390, 186416), (1528, 169580), (1910, 135664), (1952, 132745), (2224, 116510), (2440, 106196), (2780, 93208), (3056, 84790), (3820, 67832), (4448, 58255), (4880, 53098), (5560, 46604), (6112, 42395), (7640, 33916), (8479, 30560), (9760, 26549), (11120, 23302), (11651, 22240), (15280, 16958)]