220242940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 503967744

約数和(自身を除く): 283724804

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 61, 92, 94, 115, 122, 167, 188, 230, 235, 244, 305, 334, 460, 470, 610, 668, 835, 940, 1081, 1220, 1403, 1670, 2162, 2806, 2867, 3340, 3841, 4324, 5405, 5612, 5734, 7015, 7682, 7849, 10187, 10810, 11468, 14030, 14335, 15364, 15698, 19205, 20374, 21620, 28060, 28670, 31396, 38410, 39245, 40748, 50935, 57340, 65941, 76820, 78490, 101870, 131882, 156980, 180527, 203740, 234301, 263764, 329705, 361054, 468602, 478789, 659410, 722108, 902635, 937204, 957578, 1171505, 1318820, 1805270, 1915156, 2343010, 2393945, 3610540, 4686020, 4787890, 9575780, 11012147, 22024294, 44048588, 55060735, 110121470, 220242940]

約数ペア:

[(1, 220242940), (2, 110121470), (4, 55060735), (5, 44048588), (10, 22024294), (20, 11012147), (23, 9575780), (46, 4787890), (47, 4686020), (61, 3610540), (92, 2393945), (94, 2343010), (115, 1915156), (122, 1805270), (167, 1318820), (188, 1171505), (230, 957578), (235, 937204), (244, 902635), (305, 722108), (334, 659410), (460, 478789), (470, 468602), (610, 361054), (668, 329705), (835, 263764), (940, 234301), (1081, 203740), (1220, 180527), (1403, 156980), (1670, 131882), (2162, 101870), (2806, 78490), (2867, 76820), (3340, 65941), (3841, 57340), (4324, 50935), (5405, 40748), (5612, 39245), (5734, 38410), (7015, 31396), (7682, 28670), (7849, 28060), (10187, 21620), (10810, 20374), (11468, 19205), (14030, 15698), (14335, 15364)]