1284164900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{4091}}^1$

素因数の和:4221

約数の個数: 72

約数和(自身を含む): 2891210784

約数和(自身を除く): 1607045884

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 73, 86, 100, 146, 172, 215, 292, 365, 430, 730, 860, 1075, 1460, 1825, 2150, 3139, 3650, 4091, 4300, 6278, 7300, 8182, 12556, 15695, 16364, 20455, 31390, 40910, 62780, 78475, 81820, 102275, 156950, 175913, 204550, 298643, 313900, 351826, 409100, 597286, 703652, 879565, 1194572, 1493215, 1759130, 2986430, 3518260, 4397825, 5972860, 7466075, 8795650, 12841649, 14932150, 17591300, 25683298, 29864300, 51366596, 64208245, 128416490, 256832980, 321041225, 642082450, 1284164900]

約数ペア:

[(1, 1284164900), (2, 642082450), (4, 321041225), (5, 256832980), (10, 128416490), (20, 64208245), (25, 51366596), (43, 29864300), (50, 25683298), (73, 17591300), (86, 14932150), (100, 12841649), (146, 8795650), (172, 7466075), (215, 5972860), (292, 4397825), (365, 3518260), (430, 2986430), (730, 1759130), (860, 1493215), (1075, 1194572), (1460, 879565), (1825, 703652), (2150, 597286), (3139, 409100), (3650, 351826), (4091, 313900), (4300, 298643), (6278, 204550), (7300, 175913), (8182, 156950), (12556, 102275), (15695, 81820), (16364, 78475), (20455, 62780), (31390, 40910)]