28897410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 71539200

約数和(自身を除く): 42641790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 89, 137, 158, 178, 237, 267, 274, 395, 411, 445, 474, 534, 685, 790, 822, 890, 1185, 1335, 1370, 2055, 2370, 2670, 4110, 7031, 10823, 12193, 14062, 21093, 21646, 24386, 32469, 35155, 36579, 42186, 54115, 60965, 64938, 70310, 73158, 105465, 108230, 121930, 162345, 182895, 210930, 324690, 365790, 963247, 1926494, 2889741, 4816235, 5779482, 9632470, 14448705, 28897410]

約数ペア:

[(1, 28897410), (2, 14448705), (3, 9632470), (5, 5779482), (6, 4816235), (10, 2889741), (15, 1926494), (30, 963247), (79, 365790), (89, 324690), (137, 210930), (158, 182895), (178, 162345), (237, 121930), (267, 108230), (274, 105465), (395, 73158), (411, 70310), (445, 64938), (474, 60965), (534, 54115), (685, 42186), (790, 36579), (822, 35155), (890, 32469), (1185, 24386), (1335, 21646), (1370, 21093), (2055, 14062), (2370, 12193), (2670, 10823), (4110, 7031)]