243460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 612864

約数和(自身を除く): 369404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 47, 70, 74, 94, 140, 148, 185, 188, 235, 259, 329, 370, 470, 518, 658, 740, 940, 1036, 1295, 1316, 1645, 1739, 2590, 3290, 3478, 5180, 6580, 6956, 8695, 12173, 17390, 24346, 34780, 48692, 60865, 121730, 243460]

約数ペア:

[(1, 243460), (2, 121730), (4, 60865), (5, 48692), (7, 34780), (10, 24346), (14, 17390), (20, 12173), (28, 8695), (35, 6956), (37, 6580), (47, 5180), (70, 3478), (74, 3290), (94, 2590), (140, 1739), (148, 1645), (185, 1316), (188, 1295), (235, 1036), (259, 940), (329, 740), (370, 658), (470, 518)]