156292100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:1989

約数の個数: 72

約数和(自身を含む): 365497440

約数和(自身を除く): 209205340

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 817, 860, 950, 1075, 1634, 1900, 1913, 2150, 3268, 3826, 4085, 4300, 7652, 8170, 9565, 16340, 19130, 20425, 36347, 38260, 40850, 47825, 72694, 81700, 82259, 95650, 145388, 164518, 181735, 191300, 329036, 363470, 411295, 726940, 822590, 908675, 1562921, 1645180, 1817350, 2056475, 3125842, 3634700, 4112950, 6251684, 7814605, 8225900, 15629210, 31258420, 39073025, 78146050, 156292100]

約数ペア:

[(1, 156292100), (2, 78146050), (4, 39073025), (5, 31258420), (10, 15629210), (19, 8225900), (20, 7814605), (25, 6251684), (38, 4112950), (43, 3634700), (50, 3125842), (76, 2056475), (86, 1817350), (95, 1645180), (100, 1562921), (172, 908675), (190, 822590), (215, 726940), (380, 411295), (430, 363470), (475, 329036), (817, 191300), (860, 181735), (950, 164518), (1075, 145388), (1634, 95650), (1900, 82259), (1913, 81700), (2150, 72694), (3268, 47825), (3826, 40850), (4085, 38260), (4300, 36347), (7652, 20425), (8170, 19130), (9565, 16340)]