39722030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 78155280

約数和(自身を除く): 38433250

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 139, 170, 205, 278, 410, 695, 697, 1390, 1394, 1681, 2363, 3362, 3485, 4726, 5699, 6970, 8405, 11398, 11815, 16810, 23630, 28495, 28577, 56990, 57154, 96883, 142885, 193766, 233659, 285770, 467318, 484415, 968830, 1168295, 2336590, 3972203, 7944406, 19861015, 39722030]

約数ペア:

[(1, 39722030), (2, 19861015), (5, 7944406), (10, 3972203), (17, 2336590), (34, 1168295), (41, 968830), (82, 484415), (85, 467318), (139, 285770), (170, 233659), (205, 193766), (278, 142885), (410, 96883), (695, 57154), (697, 56990), (1390, 28577), (1394, 28495), (1681, 23630), (2363, 16810), (3362, 11815), (3485, 11398), (4726, 8405), (5699, 6970)]