497817220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 1101038400

約数和(自身を除く): 603221180

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 439, 590, 620, 878, 961, 1180, 1756, 1829, 1922, 2195, 3658, 3844, 4390, 4805, 7316, 8780, 9145, 9610, 13609, 18290, 19220, 25901, 27218, 36580, 51802, 54436, 56699, 68045, 103604, 113398, 129505, 136090, 226796, 259010, 272180, 283495, 421879, 518020, 566990, 802931, 843758, 1133980, 1605862, 1687516, 2109395, 3211724, 4014655, 4218790, 8029310, 8437580, 16058620, 24890861, 49781722, 99563444, 124454305, 248908610, 497817220]

約数ペア:

[(1, 497817220), (2, 248908610), (4, 124454305), (5, 99563444), (10, 49781722), (20, 24890861), (31, 16058620), (59, 8437580), (62, 8029310), (118, 4218790), (124, 4014655), (155, 3211724), (236, 2109395), (295, 1687516), (310, 1605862), (439, 1133980), (590, 843758), (620, 802931), (878, 566990), (961, 518020), (1180, 421879), (1756, 283495), (1829, 272180), (1922, 259010), (2195, 226796), (3658, 136090), (3844, 129505), (4390, 113398), (4805, 103604), (7316, 68045), (8780, 56699), (9145, 54436), (9610, 51802), (13609, 36580), (18290, 27218), (19220, 25901)]