261788460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229639}}^1$

素因数の和:229670

約数の個数: 48

約数和(自身を含む): 771590400

約数和(自身を除く): 509801940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 229639, 459278, 688917, 918556, 1148195, 1377834, 2296390, 2755668, 3444585, 4363141, 4592780, 6889170, 8726282, 13089423, 13778340, 17452564, 21815705, 26178846, 43631410, 52357692, 65447115, 87262820, 130894230, 261788460]

約数ペア:

[(1, 261788460), (2, 130894230), (3, 87262820), (4, 65447115), (5, 52357692), (6, 43631410), (10, 26178846), (12, 21815705), (15, 17452564), (19, 13778340), (20, 13089423), (30, 8726282), (38, 6889170), (57, 4592780), (60, 4363141), (76, 3444585), (95, 2755668), (114, 2296390), (190, 1377834), (228, 1148195), (285, 918556), (380, 688917), (570, 459278), (1140, 229639)]