29428720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1019}}^1$

素因数の和:1070

約数の個数: 60

約数和(自身を含む): 72283320

約数和(自身を除く): 42854600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1019, 1444, 1520, 1805, 2038, 2888, 3610, 4076, 5095, 5776, 7220, 8152, 10190, 14440, 16304, 19361, 20380, 28880, 38722, 40760, 77444, 81520, 96805, 154888, 193610, 309776, 367859, 387220, 735718, 774440, 1471436, 1548880, 1839295, 2942872, 3678590, 5885744, 7357180, 14714360, 29428720]

約数ペア:

[(1, 29428720), (2, 14714360), (4, 7357180), (5, 5885744), (8, 3678590), (10, 2942872), (16, 1839295), (19, 1548880), (20, 1471436), (38, 774440), (40, 735718), (76, 387220), (80, 367859), (95, 309776), (152, 193610), (190, 154888), (304, 96805), (361, 81520), (380, 77444), (722, 40760), (760, 38722), (1019, 28880), (1444, 20380), (1520, 19361), (1805, 16304), (2038, 14440), (2888, 10190), (3610, 8152), (4076, 7220), (5095, 5776)]