28196475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 50234880

約数和(自身を除く): 22038405

約数列:

[1, 3, 5, 15, 19, 25, 47, 57, 75, 95, 141, 235, 285, 421, 475, 705, 893, 1175, 1263, 1425, 2105, 2679, 3525, 4465, 6315, 7999, 10525, 13395, 19787, 22325, 23997, 31575, 39995, 59361, 66975, 98935, 119985, 199975, 296805, 375953, 494675, 599925, 1127859, 1484025, 1879765, 5639295, 9398825, 28196475]

約数ペア:

[(1, 28196475), (3, 9398825), (5, 5639295), (15, 1879765), (19, 1484025), (25, 1127859), (47, 599925), (57, 494675), (75, 375953), (95, 296805), (141, 199975), (235, 119985), (285, 98935), (421, 66975), (475, 59361), (705, 39995), (893, 31575), (1175, 23997), (1263, 22325), (1425, 19787), (2105, 13395), (2679, 10525), (3525, 7999), (4465, 6315)]