74990910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 205286400

約数和(自身を除く): 130295490

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 71, 85, 95, 102, 109, 114, 142, 170, 190, 213, 218, 255, 285, 323, 327, 355, 426, 510, 545, 570, 646, 654, 710, 969, 1065, 1090, 1207, 1349, 1615, 1635, 1853, 1938, 2071, 2130, 2414, 2698, 3230, 3270, 3621, 3706, 4047, 4142, 4845, 5559, 6035, 6213, 6745, 7242, 7739, 8094, 9265, 9690, 10355, 11118, 12070, 12426, 13490, 15478, 18105, 18530, 20235, 20710, 22933, 23217, 27795, 31065, 35207, 36210, 38695, 40470, 45866, 46434, 55590, 62130, 68799, 70414, 77390, 105621, 114665, 116085, 131563, 137598, 147041, 176035, 211242, 229330, 232170, 263126, 294082, 343995, 352070, 394689, 441123, 528105, 657815, 687990, 735205, 789378, 882246, 1056210, 1315630, 1470410, 1973445, 2205615, 2499697, 3946890, 4411230, 4999394, 7499091, 12498485, 14998182, 24996970, 37495455, 74990910]

約数ペア:

[(1, 74990910), (2, 37495455), (3, 24996970), (5, 14998182), (6, 12498485), (10, 7499091), (15, 4999394), (17, 4411230), (19, 3946890), (30, 2499697), (34, 2205615), (38, 1973445), (51, 1470410), (57, 1315630), (71, 1056210), (85, 882246), (95, 789378), (102, 735205), (109, 687990), (114, 657815), (142, 528105), (170, 441123), (190, 394689), (213, 352070), (218, 343995), (255, 294082), (285, 263126), (323, 232170), (327, 229330), (355, 211242), (426, 176035), (510, 147041), (545, 137598), (570, 131563), (646, 116085), (654, 114665), (710, 105621), (969, 77390), (1065, 70414), (1090, 68799), (1207, 62130), (1349, 55590), (1615, 46434), (1635, 45866), (1853, 40470), (1938, 38695), (2071, 36210), (2130, 35207), (2414, 31065), (2698, 27795), (3230, 23217), (3270, 22933), (3621, 20710), (3706, 20235), (4047, 18530), (4142, 18105), (4845, 15478), (5559, 13490), (6035, 12426), (6213, 12070), (6745, 11118), (7242, 10355), (7739, 9690), (8094, 9265)]