223720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:82

約数の個数: 64

約数和(自身を含む): 622080

約数和(自身を除く): 398360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 47, 56, 68, 70, 85, 94, 119, 136, 140, 170, 188, 235, 238, 280, 329, 340, 376, 470, 476, 595, 658, 680, 799, 940, 952, 1190, 1316, 1598, 1645, 1880, 2380, 2632, 3196, 3290, 3995, 4760, 5593, 6392, 6580, 7990, 11186, 13160, 15980, 22372, 27965, 31960, 44744, 55930, 111860, 223720]

約数ペア:

[(1, 223720), (2, 111860), (4, 55930), (5, 44744), (7, 31960), (8, 27965), (10, 22372), (14, 15980), (17, 13160), (20, 11186), (28, 7990), (34, 6580), (35, 6392), (40, 5593), (47, 4760), (56, 3995), (68, 3290), (70, 3196), (85, 2632), (94, 2380), (119, 1880), (136, 1645), (140, 1598), (170, 1316), (188, 1190), (235, 952), (238, 940), (280, 799), (329, 680), (340, 658), (376, 595), (470, 476)]